Question is attached below

Answer:

I might of borrowed money from a bank and could not pay them back so if use the money my money that I owe will increase.

Explanation:

At time t, the ball attains a height y of

y = (30 m/s) sin(53º) t - 1/2 g t²

where g = 9.80 m/s² is the magnitude of the acceleration due to gravity.

Solve for t when y = 0:

(30 m/s) sin(53º) t - 1/2 g t² = 0

t ((30 m/s) sin(53º) - (4.90 m/s²) t ) = 0

t = 0   or   (30 m/s) sin(53º) - (4.90 m/s²) t = 0

We ignore the first solution, since that refers to the moment the ball is kicked.

(30 m/s) sin(53º) - (4.90 m/s²) t = 0

(30 m/s) sin(53º) = (4.90 m/s²) t

t = (30 m/s) sin(53º) / (4.90 m/s²)

t ≈ 4.9 s

Answer:

3.6 kilometres per hour

Explanation:

for an approximate result, divide the speed value by 16.667

Answer: Time (days) = 88, the (mass) = 0.2180

Explanation:

Time (days) = 88, the (mass) = 0.2180

Answer:

Explanation:

V = 100sin(ωt) + 150cos(ωt)

let x = ωt

V = 100sin(x) + 150cos(x)

a maximum or minimum will occur when the derivative is zero

V' = 100cos(x) - 150sin(x)

0 = 100cos(x) - 150sin(x)

100cos(x) = 150sin(x)

100/150 = sin(x)/cos(x)

0.6667 = tan(x)

x = 0.588 rad

V = 100sin(0.588) + 150cos(0.588)

V = 180.27756

as the maximum will not occur until ωt = 0.588 radians, for a cosine function we subtract that amount as a phase angle φ

V = 180.3 cos(ωt - 0.588)

or as a sine function, the phase angle lags the cosine by a difference of π/2

V = 180.3sin(ωt - (0.588 - π/2)

V = 180.3sin(ωt + 0.983)

The answer is option C. A baseball is heading upward after being thrown at an angle.

Kinetic energy is a type of energy associated with motion. It is defined as the energy an object possesses due to its motion, and is dependent on both the object's mass and its velocity. The formula for kinetic energy is KE = 1/2 mv^2, where m is the mass of the object and v is its velocity.

Kinetic energy can be transferred between objects, and is often involved in collisions and other interactions. For example, when a moving object collides with another object, some of its kinetic energy may be transferred to the second object. Kinetic energy is an important concept in physics and is used in many real-world applications, such as in the design of vehicles, machines, and athletic equipment.

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Answer:

Friction is a force that opposes the relative motion of two objects (or the tendency to move) which are in contact with each other. In contrast, shear stress is a stress induced by a force.

Explanation:

Hope you have a Good day!

May God Bless You<3

A force called friction opposes the tendency of two things in touch with each other to move relative to one another. Shear stress, on the other hand, is a tension brought on by a force. The major distinction between friction and shear stress is this.

The resistance to motion of one object moving in relation to another is known as friction. Friction is dependent on the typical response. Things that are subjected to friction all the time tend to wear out.

Unaligned forces known as shear forces are those that press one part of a body in one direction while pushing a different component of the body in the opposite direction. Shear is dependent on cross-sectional area and shearing force. An object deforms from its initial shape as a result of shear stress.

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Answer:

4 x 10⁷m/s

Explanation:

When a charged particle moves in a curved path in a magnetic field, it experiences some magnetic force, and in the absence of any other force, which supplies the centripetal force needed to keep the particle in balance.

Let the magnetic force be \(F_{M}\)

Let the centripetal force be \(F_{C}\)

=> \(F_{M}\) = \(F_{C}\)           --------------(i)

We know that;

\(F_{M}\) = qvBsinθ

Where;

q = charge on the particle

v = speed of the particle

B = magnetic field intensity

θ = angle between the speed and magnetic field vectors

Also;

\(F_{C}\) = \(\frac{mv^2}{r}\)

Where;

m = mass of the particle

v = velocity/speed of the particle

r = radius of the circular path of motion.

From equation (i)

qvBsinθ = \(\frac{mv^2}{r}\)           [divide both sides by v]

qBsinθ = \(\frac{mv}{r}\)              [make v subject of the formula]

v = qrBsinθ / m            --------------------(ii)

From the question;

B = 1.0T

r = 0.4m

θ = 90°     [since magnetic field is always perpendicular to velocity]

q = 1.6 x 10⁻¹⁹C        [charge of a proton]

m = 1.6 x 10⁻²⁷kg        [mass of a proton]

Substitute these values into equation(ii) as follows;

v = (1.6 x 10⁻¹⁹ x 0.4 x 1.0 x sin90°) /  (1.6 x 10⁻²⁷)

v = 4 x 10⁷ m/s

Therefore the speed of the proton is 4 x 10⁷m/s

Answer:

.

Explanation:

F = kx so k = 800/((10-5)/100) = 16000 N/m

W = 1/2 kx^2 = 1/2 * 16000 * .05^2 = 20 J.

(sorry if it's wrong)

Answer:

\(F=5.16\times 10^{15}\ N\)

Explanation:

We have,

Mass of Mars is, \(m_M=6.42\times 10^{23}\ kg\)

Mass of its moon Phobos, \(m_P=1.06\times 10^{16}\ kg\)

Distance between Mars and Phobos, d = 9378 km

It is required to find the gravitational force between Mars and Phobos. The force between two masses is given by

\(F=G\dfrac{m_Mm_P}{d^2}\)

Plugging all values, we get :

\(F=6.67\times 10^{-11}\times \dfrac{6.42\times 10^{23}\times 1.06\times 10^{16}}{(9378\times 10^3)^2}\\\\F=5.16\times 10^{15}\ N\)

So, the gravitational force is \(5.16\times 10^{15}\ N\).

Answer:

Δt = Δτ / (1 - β^2)1/2

Δt  is the time observed

Δτ is the proper time (3.00 s)

β = v / c = .96

Δt = 3.00 / (1 - .96^2)^1/2 = 10.7 sec

The most common form of color blindness is called red-green color blindness.

This type of color blindness is caused by a malfunction of the red and green cone systems in the eye, which are responsible for detecting different wavelengths of light. This malfunction causes individuals to have difficulty distinguishing between certain combinations of red and blue, as they appear to be the same color or shade to the affected person. The exact cause of this malfunction is still unknown, but is believed to be caused by genetic factors, environmental influences, or a combination of both.This color blindness affects up to 8% of men and 0.5% of women, and is caused by a mutation in the gene that codes for the red-sensitive cone cells in the eye.

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complete question:in the most common form of color blindness, the ___ cone system malfunctions rendering ____ indistinguishable from certain combinations of blue and red

Answer:

a. 2500 cm³.

b. 2.5 litres.

Explanation:

Given the following data:

Density = 0.8g/cm³

Mass = 2000g

To find the volume of the petrol;

Density can be defined as mass all over the volume of an object.

Simply stated, density is mass per unit volume of an object.

Mathematically, density is given by the equation;

\(Density = \frac{mass}{volume}\)

Making volume the subject of formula, we have;

\(Volume = \frac{mass}{density}\)

Substituting into the equation, we have:

\(Volume = \frac{2000}{0.8}\)

Volume = 2500 cm³

a. The volume of the petrol in the can in cubic centimeters (cm³) is 2000.

b. The volume of the petrol in the can in litres;

1000 cm³ = 1 litre

2500 cm³ = x litres

Cross-multiplying, we have;

1000x = 2500

x = 2500/1000

x = 2.5 litres.

Therefore, the volume of the petrol in the can in litres is 2.5.

The buoyant force on the cannon stays the same as long as it is fully under water because the buoyant force is determined by the volume of fluid that the cannon displaces and not by the weight or mass of the cannon itself.

Archimedes' Principle states that the buoyant force on an object in a fluid is equal to the weight of the fluid that the object displaces. This means that as long as the cannon remains fully submerged in the water and does not change its volume, the amount of water it displaces and thus the buoyant force on the cannon will also remain the same.

In other words, the buoyant force is dependent on the fluid's density and the volume of the object, not its weight. So, as long as the volume of the cannon and the density of the fluid surrounding it remain constant, the buoyant force will also stay constant.

The buoyant force on the cannon will stay the same as long as it is fully under water.

The buoyant force on an object is equal to the weight of the fluid displaced by the object. The buoyant force is always directed upwards, and it opposes the force of gravity. As long as the cannon is fully under water, the amount of water displaced by the cannon will stay the same. This means that the buoyant force on the cannon will also stay the same.

The buoyant force on an object depends on the density of the fluid, the volume of the object, and the acceleration due to gravity. The density of water is constant, so the buoyant force on the cannon will only change if the volume of the cannon changes or if the acceleration due to gravity changes.

Neither of these factors change. The volume of the cannon does not change as it is being recovered from the shipwreck. The acceleration due to gravity also does not change, as it is the same on Earth's surface as it is underwater.

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Answer: False

Explanation:

The solution with the lowest total ion concentration, assuming full dissociation, is 2 M aluminum sulphate.

Concentration in chemistry is defined as the abundance of an ingredient divided by the total volume of a combination. There are four sorts of mathematical descriptions: mass concentration, molar concentration, number concentration, and volume concentration. The amount of a material, such as salt, that is present in a certain amount of tissue or liquid, such as blood. When there is less water present, a material becomes more concentrated. When a person does not drink enough water, the salt in his or her urine may become more concentrated. A substance's concentration is the amount of solute contained in a given amount of solution. Molarity is the number of moles of solute in one liter of solution and is used to express concentrations.

Here,

The solution with the lowest total ion concentration, assuming full dissociation, is 2 M aluminum sulfate.

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Answer:

gravitational potential energy

The type of energy an object will only have if it is moving is kinetic energy.

Kinetic energy is the energy possessed by an object in motion. This is basically the only involved in motion of an object.

The magnitude of kinetic energy is given as;

K.E = ¹/₂mv²

where;

Thus, the type of energy an object will only have if it is moving is kinetic energy.

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The reaction of load L is 0 (no horizontal force), and the reaction of load R is 10 kN (vertical upward force).

To determine the reactions of the loads L and R, consider the equilibrium of the forces acting on the structure.

First, analyze the vertical equilibrium. The sum of the vertical forces must be zero:

ΣFy = R − 7 kN − 3 kN

ΣFy = 0

This gives:

R = 10kN

Next, analyze the horizontal equilibrium. The sum of the horizontal forces must be zero:

ΣFx = L

ΣFx = 0

This indicates that there is no horizontal force acting on the structure.

Therefore, the reaction of load L is zero (no horizontal force), and the reaction of load R is 10 kN (vertical upward force).

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The kinetic energy of the skier at the beginning is 0 J and at the end is 50,000 J. The potential energy of the skier at the beginning is 50,000 J and at the end is 0 J.

In the figure, the letter "J" stands for "Joule," the unit used to quantify energy. The work performed by a force of one newton acting through one metre is equivalent to one joule, a unit of work or energy in the International System of Units (SI). Its unit of measure is the Joule, named after the English physicist James Prescott Joule, and it measures 107 ergs, or roughly 0.7377 foot-pounds.

The total of the kinetic and potential energies at every given position in this figure is equal, which serves as an illustration of the rule of conservation of energy. As a result, in the scenario as it is, energy is being preserved.

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Answer:

ocean covers 71 percent of the earth

Answer:

the ocean  covers 71 percent of Earth's surface.

Explanation:

Given data

The angular acceleration of the car is

The given time is t = 25 s

The expression for the angular displacement is given by the rotational equation of motion as

Substitute the values in the above expression as

C) a bicyclist riding up a steep hill

The metaphor for a system with rising gravitational potential energy is "a bicyclist riding up a steep hill." Let's get into greater detail:

A cyclist faces resistance from gravity as they ride up a steep slope. The cyclist's elevation, or height above the ground, rises as they cycle and climb uphill. Gravity is pulling the cyclist down the hill by exerting downward force. The cyclist must apply force to the pedals in order to move forward and overcome the pull of gravity. In order to do this, the bicyclist must transform chemical energy from their body into mechanical energy. The distance of the cyclist from the centre of the Earth grows as they ride up the hill. The height and mass of an object affect its gravitational potential energy. In this scenario, as the bicyclist's height rises, their gravitational potential energy also rises.

     Due to the higher elevation, the energy input from the biker is stored as increased potential energy. When the bicycle descends the hill or does work, this potential energy can be transformed back into kinetic energy or other types of energy.

The direction and magnitude of the net vector is:

When vector A with magnitude of 5 meters pointing west and

vector B with magnitude of 5 meters pointing east are added,

they will result in a net vector with a magnitude of the difference between the magnitudes of the vectors and a direction equal to the direction of the vector with the largest magnitude.

Since both vectors have the same magnitude (5 meters), the net vector will have a magnitude of 0 meters.

This means that the vectors completely cancel each other out and there is no net vector remaining.

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The shortest distance in which you can stop, after the breaks are applied is 80.38 m.

The shortest distance in which you can stop is calculated by applying the principle of conservation of energy and work energy principle.

K.E = ¹/₂mv²

where;

K.E is your kinetic energy

m is your mass

v is your speed

The work done by force of friction before you stop is calculated as follows;

W = Ffx

where;

W = (μmg)x

where;

W = K.E

(μmg)x = ¹/₂mv²

(μg)x = ¹/₂v²

x = (v²) / (2μg)

x = (32²) / (2 x 0.65 x 9.8)

x = 80.38 m

Thus, the shortest distance in which you can stop, after the breaks are applied is determined by applying the principle of conservation of energy.

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The complete question is below:

Your are driving at 32 m/s, what is the shortest distance in which you can stop, after the brakes are applied, without the groceries sliding off the seat? The static and kinetic coefficients of friction are, respectively, 0.65 and 0.45. Assume that the surface of the seat is horizontal.

The velocity of the roller coaster at location 4 is 14.14 m/s (approx) using the given values of v₁ = 10 m/s, h₁ = 30 m, and h₂ = 15 m.

Roller coasters are fascinating machines that deliver an exhilarating experience by defying gravity and physics. Roller coaster physics is a significant concept to comprehend before riding a roller coaster or designing one. The laws of physics govern the motion of a roller coaster, including its velocity, acceleration, and potential energy.

A roller coaster moves over a crest at location 1 with a speed of 10 m/s. The question is how fast it's going at location 4, considering the neglect of friction and air resistance. To solve this, we'll need to consider the conservation of energy law.

The total energy of the roller coaster remains constant throughout the ride, and we can convert between potential and kinetic energy.Using the conservation of energy formula, which is: E1 = E2Where E1 is the total energy of the roller coaster at the crest and E2 is the total energy of the roller coaster at location 4.

Both E1 and E2 comprise kinetic energy (KE) and potential energy (PE). So,E1 = KE1 + PE1E2 = KE2 + PE2Since the roller coaster has no friction and air resistance, we can assume that PE1 = PE2 because the height of the roller coaster doesn't change. The energy is converted from potential energy at the crest to kinetic energy at location 4.

We can now use the formula for kinetic energy:KE = (1/2) mv²Where m is the mass of the roller coaster and v is its velocity. Both E1 and E2 can be written in terms of KE, so: E1 = (1/2) mv₁²E2 = (1/2) mv₂².

Substitute the values into the conservation of energy formula: E1 = E2(1/2) mv₁² = (1/2) mv₂²

Simplifying the equation gives:v₂² = v₁²×(h₁ / h₂)

where h₁ is the height of the crest and h₂ is the height of location 4.

To calculate the velocity, we need to take the square root of both sides:v₂ = v₁×√(h₁ / h₂)

Therefore, the velocity of the roller coaster at location 4 is 14.14 m/s (approx) using the given values of v₁ = 10 m/s, h₁ = 30 m, and h₂ = 15 m.

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Answer:

The magnitude of the work done by the worker is 303 J.

Explanation:

The work done by the worker can be found as follows:

\( W = |F|\cdot |d| cos(\alpha) \)                              

Where:

F: is the force applied by the worker

d: is the displacement = 5.0 m

α: is the angle between the force applied and the displacement = 180°

We need to find the force applied by the worker:

\(\Sigma F = ma\)

Taking as positive the movement direction of the crate we have:

\( -F - F_{\mu} + P_{x} = 0 \)  

Where:              

m: is the crate's mass

a: is the acceleration = 0 (It is moving at constant speed)

F: is the force applied by the worker

Pₓ: is the weight in the horizontal direction    

\(F_{\mu}\): is the frictional force  

Hence, the force applied by the worker is:            

\(F = P_{x} - F_{\mu} = mgsin(\theta) - \mu mgcos(\theta)\)

\( F = 50 kg*9.81 m/s^{2}*(sin(25) - 0.33cos(25)) = 60.6 N \)  

Then, the work done by the worker is:                        

\( W = |F|\cdot |d| cos(\alpha) = 60.6 N*5.0 m*cos(180) = -303 J \)                              

Therefore, the magnitude of the work done by the worker is 303 J.

I hope it helps you!                                            

The work is done by the worker will be 303 J. Work done is described as the multiplication of applied force and the amount of displacement.

Work done is defined as the product of applied force and the distance through which the body is displaced on which the force is applied.

Work may be zero, positive and negative.it depends on the direction of the body displaced. if the body is displaced in the same direction of the force it will be positive.

The given data in the problem is;

F is the force applied by the worker

d is the displacement = 5.0 m

α is the angle between the force applied and the displacement = 180°

m is the crate's mass=  50 kg

a is the acceleration = 0

Pₓ: is the weight in the horizontal direction    

The net force on the crate is found as;

\(\rm F_{net}= P_X - F_{\mu} \\\\ \rm F_{net}= mg sin \theta - \mu mg cos \theta \\\\ \rm F_{net}=50 \times \times 9.81 (sin 25^0 -0.33 cos(25) \\\\ \rm F_{net}= 60.6 N \\\\\)

The work done  by the worker will be;

\(\rm W= Fd cos \alpha \\\\ \rm W= 60.6 \times 5.0 cos 180^0 \\\\\rm W=-303 \ J\)

Hence the work is done by the worker will be 303 J.

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(a) When the spring is compressed 4.5 cm = 0.045 m, it exerts a restoring force on the block of magnitude

F = (1900 N/m) (0.045 m) = 85.5 N

so that at the moment the block is released, this force accelerates the block with magnitude a such that

85.5 N = (1.15 kg) a   ==>   a = (85.5 N) / (1.15 kg) ≈ 74.3 m/s²

The block reaches its maximum speed at the spring's equilbrium point, and this speed v is such that

v ² = 2 (74.3 m/s²) (0.045 m)   ==>   v = √(2 (74.3 m/s²) (0.045 m)) ≈ 2.59 m/s

(b) There is no friction between the block and plane, so the block maintains this speed as it slides over the edge. At that point, it's essentially in free fall, so if y is the height of the plane, then

(7 m/s)² - (2.59 m/s)² = 2gy   ==>   y = ((7 m/s)² - (2.59 m/s)²) / (2g) ≈ 2.16 m

Software for programmable logic controllers is created using the graphical programming language ladder diagram (PLCs).

These unique Symbols are frequently utilised in industrial control logic systems. Ladder diagrams get their name from the way they seem like ladders, with two vertical lines for power and as many horizontal lines for control units.

The graphical programming language Ladder Diagram is used to create software for programmable logic controllers (PLCs). It's one of the languages allowed for usage with PLCs according to the IEC 61131 standard. Circuit diagrams that simulate relay logic devices are known as programmes in ladder diagram notation.

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Answer:

Is that your answer

The acceleration is 7m/s².

For Part a, we can use the equation of motion for constant acceleration:

v f = v_0 + a x t

where v f is the final velocity, v_0 is the initial velocity, a is the acceleration, and t is the time. Since the final velocity is 0, we can write:

t =  -v 0 / a

Next, we can use the distance formula:

d = v_0 x t + 0.5 x a x t²

where d is the distance traveled. Plugging in the value of t from the previous equation, we get:

d = v_0 x (-v_0 / a) + 0.5 x a x (-v_0 / a)²

d = -v_0² / 2a

Now, we can solve for v_0 using the value of d:

v_0 = (2 x a x d) = (2 x 18 x 300)=  102.9 feet/s

For Part b, we can use the equation for t from Part a:

t = -v_0 / a = -102.9 / 18 = 5.71 s

Acceleration is the rate of change of velocity of an object over time. It is a vector quantity with units of meters per second squared (m/s²) in the SI system. Acceleration can be caused by various factors such as force, changes in velocity, and changes in direction. Positive acceleration indicates that the velocity of an object is increasing, while negative acceleration indicates that the velocity is decreasing. In a uniform acceleration, the velocity of an object changes by an equal amount over equal time intervals.

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