describe the working principle of a hydraulic press using pascals principle
​

The pressure will be different because of the difference in the masses of horse A and horse B.

Horse A will have greater pressure due to much bigger mass.

In order for a horse to survive and operate, its hooves are necessary. Throughout a horse's lifetime, its hooves expand. Each foot of a horse has a single, solid hoof. The size of this might vary according on the breed, size, and running and jumping prowess of the horse.

Scholars have long disagreed on how animals—whose predecessors were dog-sized creatures with three or four toes—came to have only one hoof. According to a recent research, when horses grew bigger, one big toe was shown to be more resistant to bone stress than several smaller toes.

Thus, horse A will have greater pressure due to much bigger mass.

To know more about pressure refer to:

https://brainly.com/question/28012687

#SPJ1

The change in velocity experience by a driver, driving a Bugatti Veyron, accelerating at 26.7 m/s² for 2.4 seconds is 64.08 m/s.

Change in velocity is the difference between the final and the initial velocity of a body.

To calculate the change in velocity experienced by the driver, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values above into equation 1

Hence, the change in velocity experienced by the driver is 64.08 m/s.

Learn more about change in velocity here:https://brainly.com/question/26246534

#SPJ1

Water is incompressible, thus its density, stickiness, and other qualities essentially stay the same as you go deeper. As a result, the buoyant force also doesn't change.

Buoyant force is defined as the upward force applied to an object that is partially or completely submerged in liquids. The fluid's pressure on the object is what creates the buoyant force.

The object will rise to the surface and float if the buoyant force is greater than its weight. If the buoyant force is less than the object's weight, the object will sink. The object will remain hung at that depth if the buoyant force is equal to the weight of the object.

Thus, water is incompressible, thus as you travel deeper, its density, stickiness, and other characteristics essentially remain the same. Consequently, the buoyant force also remains constant.

To learn more about buoyant force, refer to the link below:

https://brainly.com/question/21990136

#SPJ1

Explanation:

⚡⚡WHO WANTED TO PLAY⚡⚡

__❎ NO SEX ❎ NO FLIRT❎__

⬇️⬇️⬇️⬇️Z000MM⬇️⬇️⬇️⬇️

373 629 9840

444000

Answer:

the ratio of a distance through which any part of a machine moves to that which the driving part moves during the same time.

Explanation:

The same.

for 50 kg sack

P1 = mgh / t = 50 * 2 g /t = 100 g/t

for 25 kg sack

P2 = 25 * 4 g/t = 100 g/t

11. PE = mg h = 8* 9.8* 12 = 940.8 J

12. Workdone = Fd = 45 * 2 = 90 J

To know more about power visit:

https://brainly.com/question/29575208

#SPJ4

The power expended in raising the 50-kg sack is 90 J when both a 50-kg sack is lifted 2 meters from the ground and a 25-kg sack is lifted 4 meters in the same time.

for 50 kg sack

P1 = mgh / t

= 50 * 2 g /t

= 100 g/t

for 25 kg sack

P2 = 25 * 4 g/t

= 100 g/t

PE = mg h

= 8* 9.8* 12

= 940.8 J

Workdone = Fd

= 45 * 2

= 90 J

To know more about power visit:

brainly.com/question/29575208

#SPJ4

Answer:

La materia y energía interactúa entre sí de forma continua. De hecho, la materia estaría en un estado estático de forma estable si no fuera por la energía. De esta forma, materia y energía están interactuando entre sí constantemente, donde la materia sería el sujeto pasivo que padece la acción de la energía, mientras que la energía sería el sujeto activo que modificaría el estado de reposo o movimiento de la materia.

Explanation:

Answer:

a = v^2 / R        where a is the centripetal acceleration and R the radius

v = 2 π R N / t        where (N / t) is the revolutions / sec giving distance / time

a = 4 g         horizontal acceleration

4 g = (2 π R N / t)^2 / R = 4 π^2 * R * (N / t)^2

(N / t)^2 = g / (π^2 * R)

N / t = 1 /  π * (g / R)^1/2 = .318 * (9.80 m / s^2 / 8 m)^1/2  = .352 / sec

Explanation:

Using Cosine rule, we have 5² = 3² + 4² - 2(3)(4)(cosx).

=> cosx = 0, x = 90°.

For part (a), ray optics may be used to analyze the reflection of green laser light of wavelength 560 nm incident on a 31-cm diameter mirror and for part (b), wave optics must be used to analyze the interaction of red laser light of wavelength 702 nm with a molecule of size 102 nm.

The situation described in part (a) can be analyzed using ray (geometric) optics because the mirror is much larger than the wavelength of the incident light. When the mirror diameter is much larger than the wavelength of light, then ray optics can be used to describe the reflection of light. The situation described in part (b) requires the use of wave (physical) optics because the size of the molecule is much smaller than the wavelength of the incident light.

When the size of the object is smaller than the wavelength of the incident light, then wave optics must be used to analyze the interaction of light with the object. In this case, the mirror's diameter is significantly larger than the wavelength of the light (31 cm vs. 560 nm). This means that the light can be treated as a ray, and ray optics can be used as a sufficiently good approximation.

Red laser light of wavelength 702 nm is incident on a molecule of size 102 nm. In this situation, the size of the molecule is comparable to the wavelength of the light (102 nm vs. 702 nm). In such cases, wave effects become significant, and we must use wave optics to accurately describe the interaction between the light and the molecule.

To know more about ray optics, refer here:

https://brainly.com/question/30114023#

#SPJ11

Answer:

B. 122N

Explanation:

f = 0.15 x 83 x 9.8 = 122.01

f = 122N

False

The Pressure Gradient Force (PGF) is the force that drives air from areas of high pressure to areas of low pressure. In both a trough and a ridge, the PGF is the same.

However, the winds will not be the same in both features.  

In a trough, the winds tend to move towards the center of the trough, where the air is rising, and this causes convergence and lifting. This upward motion causes a decrease in pressure, leading to a steeper pressure gradient, which means stronger winds. On the other hand, in a ridge, the winds move away from the center of the ridge, where the air is sinking, and this causes divergence and sinking. This sinking motion causes an increase in pressure, leading to a weaker pressure gradient and lighter winds.  

Therefore, assuming the same PGF, the trough will have the faster winds compared to the ridge.

Answer:

Sugar ofc.

Explanation:

Have you seen energy drinks such as gatorade? Electrolytes

Answer:

An electrolyte solution contains water, salt, potassium and sugar in the proper concentration. The salt and sugar also have an added benefit of helping the body absorb the water - it turns out we absorb water with a little salt and sugar much better than we do plain water.

Explanation:

when the lobes of two p orbitals are in the same phase and overlap side-by-side, the orbital that is formed has a bonding dissociation energy compared to the σ∗ molecular orbital formed from the out-of-phase direct overlap of the two p orbitals.

Bonding arise when two unique atomic orbitals on different atoms cross across, generating an area where the two atoms share one pair of electrons, according to the theory of valence bonds. When orbitals intersect over an axis containing nuclei, a bond is formed.

A covalent bond is formed by two atoms that share a pair of electrons. The atoms are held together because the electron pair is pulled to both nuclei.

When two atoms exchange one or more pairs of electrons, a covalent connection is established.

Learn more about valence bonds refer

https://brainly.com/question/25333142

#SPJ4

His final velocity at the end of the 2.6 seconds will be  25.48 m/s

given

time = 2.6 seconds

initial velocity = u = 0

acceleration = acceleration due to gravity = 9.8 \(m/s^{2}\)  (since , it is a free fall )

final velocity = ?

using kinematics equation

v = u + at

v = u - g*t

v = - 9.8 * 2.6 = - 25.48 m/s

His final velocity at the end of the 2.6 seconds will be  25.48 m/s in downward direction

To learn more about kinematics here :

https://brainly.com/question/27126557

#SPJ1

The centripetal acceleration is equal to the tangential acceleration after: t = time taken by the car to reach 10.29 m/s = v / a = 10.29 / 1.7 ≈ 6.05 sec. Answer: 6.05 sec

The centripetal acceleration is given as,ac = v²/r .........(1)

And the tangential acceleration is given as,

at = a .............(2)Given that, ac = at

We know that at = a .............(2)ac = v²/r

Putting the value of ac and at, we getv²/r = a

Solving for v, we get

v = sqrt(ar)Now, we know that acceleration a = 1.7 m/s², and r = 70 m (given in the previous question)

So, putting the values of a and r in the above equation, we get

v = sqrt(1.7 x 70) = 10.29 m/s

We can find the time t from the first equation using the value of v.We know that ac = v²/r, and putting the values, we get

ac = (10.29)²/70ac = 1.4989 m/s²

The tangential acceleration is given as at = 1.7 m/s² (from equation 2)

Therefore, the centripetal acceleration is equal to the tangential acceleration after:t = time is taken by the car to reach 10.29 m/s = v / a = 10.29 / 1.7 ≈ 6.05 sec. Answer: 6.05 sec

Know more about centripetal acceleration here:
https://brainly.com/question/79801

#SPJ11

The density of radiation in the early universe is inversely proportional to the fourth power of the scale factor, R. This means that as R increases, the density of radiation decreases rapidly. On the other hand, the density of matter is proportional to the cube of the scale factor, R.

The reason for this difference lies in the nature of radiation and matter. Radiation is made up of particles that travel at the speed of light and have high energy levels. As the universe expands, the wavelength of radiation also increases, which means that its energy decreases. Therefore, the number of photons in a given volume of space decreases as the universe expands, leading to a decrease in the density of radiation.
In contrast, matter particles do not travel at the speed of light and are not affected by the expansion of the universe in the same way as radiation. As the universe expands, the volume of space increases, leading to a decrease in the density of matter. However, the decrease is not as rapid as in the case of radiation because matter particles do not lose energy due to expansion.

In summary, the density of radiation in the early universe is more sensitive to the scale factor, R, than the density of matter because of the nature of radiation and its high energy levels.

Learn more about radiation here:

https://brainly.com/question/13934832

#SPJ11

The level of flexibility will affect my performances in football. Football

requires some level of flexibility to do certain things.

Flexibility will enable me change speed and direction easily when there is a

counter attack by the opponents. It will also assist in using some techniques

such as adding more curve on the football with the feet in order to score

goals.

Flexibility will also ensure that there will be lesser injury concerns because there will be less sprains or other muscle related injuries.

Read more on https://brainly.com/question/18472626

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 48 × 3

We have the final answer as

Hope this helps you

Answer:

0.6amp or I= 0.6

Explanation:

V=IR

12V=I(20)

12/20=I

0.6=I

Answer:

0.6amp

Explanation:

HEY HEY HEY HEY

Explanation:

HEY HEY HEY HEY HEY

The term you're looking for is "primary sensory cortex." The primary sensory cortex receives most of its input from the thalamic relay nuclei of a given sensory system.

The primary sensory cortex, often referred to as the primary somatosensory cortex or primary visual/auditory cortex, is a portion of the brain that collects and interprets sensory data from numerous body regions. For somatosensory processing, it is situated in the parietal lobe, for visual processing in the occipital lobe, and for auditory processing in the temporal lobe. The perception and interpretation of sensory stimuli like touch, pressure, pain, visual input, and aural signals are fundamentally influenced by the primary sensory cortex. It is in charge of encoding and organising sensory data, which enables us to experience and comprehend the outside world.

Learn more about cortex here:

https://brainly.com/question/30037473

#SPJ11

Answer:

ExplaHeat can travel from one place to another in three ways: Conduction, Convection and Radiation. ... Thermal energy is transferred from hot places to cold places by convection. Convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas.nation:

v^2 = k am sn,

where k is a dimensionless constant.

we have to tell the whether it is dimensional or dimensionless

v = m/sec  dimesions

a = m/sec^2  dimesion,  m = m

v^2  =  m^2 / sec^2 = k  m/sec^2 * m

k =  dimesionless constant.

To know more about  Dimension   visit : https://brainly.com/question/1374629

#SPJ4

The time required to drop the pressure of one of the gases from 2.0 atm to 0.25 atm at 389 K is 288 hours, or Option (D).

For a first order reaction, the change in pressure of a gas is proportional to its initial concentration and to the rate constant of the reaction. The half-life of a first order reaction is defined as the time required for the concentration of a reactant to decrease to half its initial value.

The rate constant (k) of a first order reaction can be related to its half-life (t1/2) as follows:

k = 0.693 / t1/2

We can use this relationship to find the rate constant for our reaction:

k = 0.693 / 24 hours = 0.0289 h^-1

Next, we can use the rate constant to find the time required for the pressure of one of the gases to decrease from 2.0 atm to 0.25 atm:

P = P0 * e^(-kt)

ln(P/P0) = -kt

-t = ln(P/P0) / k

where P0 is the initial pressure, P is the final pressure, t is the time, and e is the base of natural logarithms.

Plugging in the values, we get:

-t = ln(0.25/2.0) / 0.0289 h^-1

t = 288 hours

Therefore, the time required to drop the pressure of one of the gases from 2.0 atm to 0.25 atm at 389 K is 288 hours, or Option D).

To know more about pressure please refer:

https://brainly.com/question/29341536

#SPJ4

The ball has more momentum compared to clay because of its better movement.

The momentum change of every item is given through:

Δp=mΔv=m(v - u)

Each items have equal mass m and identical initial speed u. So we've got:

- For the ball, the very last pace is

v = -u

since it bounces lower back (so, opposite direction --> negative signal) with same speed (so, the magnitude of the final pace remains u). So the trade in momentum is

Δp = m(v - u) = m((-u) - u) = -2mu

The final velocity is

v = 0

Since it sticks to the wall. So, the change in momentum is

Δp = m(v - u) = m(0 - u) = -mu

So we see that the extra momentum change (in importance) is experienced with the aid of the ball.

Momentum refers to the property of an object that determines the amount of force required to change its motion. The law of conservation of momentum states that the total momentum of a closed system remains constant, provided there are no external forces acting on it.

An object with a higher momentum will be harder to stop or change direction than an object with a lower momentum. This is because a larger amount of force is required to overcome its existing motion. Momentum plays a crucial role in many aspects of physics, including mechanics, electromagnetism, and quantum mechanics. It is also important in everyday life, such as in sports, where the momentum of a ball can determine its trajectory and impact.

To learn more about Momentum visit here:

brainly.com/question/30677308

#SPJ4

Complete Question: -

A rubber ball and a lump of clay have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The clay sticks to the wall. Which one of these objects experiences the greater momentum change?

Answer:

D

friction acts in the opposite direction of motion but does not affect the motion of the object

Answer:D.Friction acts in the opposite direction of motion, slowing the block down.

Explanation:

a) The model for the velocity of a falling body with air resistance can be described using Newton's second law of motion. The equation can be written as:

m * dv/dt = mg - k * v^2

where m is the mass of the body, g is the acceleration due to gravity, k is the proportionality constant for air resistance, and v is the velocity of the body.

Assuming the ratio of k to m is unity, we can rewrite the equation as:

dv/dt = g - v^2

To solve this first-order ordinary differential equation, we can separate variables and integrate:

∫ 1/(g - v^2) dv = ∫ dt

After integration, we obtain:

atan(v/sqrt(g)) = t + C

Solving for v, we have:

v(t) = sqrt(g) * tan(t + C)

Given an initial velocity of 12 m/s, we can determine the value of C. Plugging in the values, we have:

12 = sqrt(g) * tan(C)

Now, we can solve for C using the given information.

b) To determine how long it will take for the cake to cool off to 75 °F, we can use Newton's law of cooling, which states that the rate of temperature change of an object is proportional to the difference between its temperature and the surrounding temperature. The equation can be written as:

dT/dt = -k(T - T_room)

where dT/dt is the rate of temperature change, T is the temperature of the cake, T_room is the room temperature, and k is the proportionality constant.

Separating variables and integrating, we get:

∫ 1/(T - T_room) dT = -k ∫ dt

After integration, we have:

ln|T - T_room| = -kt + C

Solving for T, we obtain:

T(t) = T_room + Ce^(-kt)

Given that the initial temperature is 300 °F and the desired temperature is 75 °F, we can determine the value of C. Plugging in the values, we have:

300 = 75 + Ce^0

Solving for C, we find:

C = 225

Now, we can determine the time it takes for the cake to cool to 75 °F by solving for t when T = 75 and plugging in the values.

Please note that the specific values of the proportionality constants and units are not provided in the question, so the final numerical results will depend on those values.

To learn more about Newton's law of cooling visit: brainly.com/question/30729487

#SPJ11

Starting from rest, the wheel accelerates to an angular velocity of

ω = (2.52 rad/s²) (7.03 s) ≈ 17.7 rad/s

then undergoes a new acceleration α until it comes to a rest. It does so in 11.9 revolutions, or with an angular displacement of (11.9 rev) • (2π rad/rev) = 23.8π rad. So α satisfies

0² - ω² = 2 α (23.8π rad)

α = - ω² / (47.6π rad)

α ≈ -2.10 rad/s²

Answer:

44 ohms.

Explanation:

R for V (according to Ohm's law). This second formula is more frequently used in practice to calculate resistive heating, whereas the first formula has other, more general applications. As we might infer from the equation, the units of watts also correspond to amperes2 x ohms (A2 x Ω).