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2. Two charged particles as shown in figure below. QP = +10 C and Qq = +20 C are separated by a distance r = 10 cm. What is the magnitude of the electrostatic force.
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Two sprinters A and B of mass 70kg ad 55kg respectively are running with thesame speed in the same direction. Which of the following is NOT true?1) A has a greater Kinetic energyGreater force is needed to stop AThe momentum of A is greater than Biv)B will finish the race before AV B has greater kinetic energyA. ii) and iv) only B. v) only C. iii), iv )and v) only D. iv) and v) only
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Which device we have to connect parallel in a circuit. Tell the name of device.
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A 3000 kg spaceship is floating through space at a rate of 2 m/s. An astronaut traveling in the opposite direction at a velocity of 10 m/a grabs hold of the side of the ship...
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guys please helpp!!!!1
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Tell any one condition how can we calculate potential difference in a circuit ?
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Explain why rolling friction is lesser than sliding friction Pls ans this
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a fisherman sees 7 wave crests go by in 10.0 s. the crests are 2.43 m apart. find the wavelength of the wave. (unit=m)
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draw the graph for the following equation x+2y=4
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a lorry has a mass of 32000 kilograms. each tyre has an area of 400 cm squared in contact with the ground. calculate the pressure exerted on the ground if the lorry has 6 tyres
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1.Energy is used when a force acts over a......................................................................2.All objects have the same weight have:a)the same place on Earthb)the same massc)the same volumed)pull of gravity on them
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audible limit of the sound wave
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A bicycle rides in a straight line at 1 km at 10km/h and then another 1 km at 25 km/h
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A bicycle rides in a straight line at 1 km at 10km/h and then another 1 km at 25 km/h what is the average speed of the bicycle
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An electron initially at rest is placed in an electric field 2x104 N/C directed west. The distance between the plates is 1 cm. a) What is the acceleration of the electron due to the field? b) What will be the speed of the electron after it leaves the hole?
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Based on information from the periodic table, what does this image represent?
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Select all the correct answers.Which chemical reaction involving water is a decomposition reaction (breaking up) and which is a synthesis (building up)reaction? If you're not sure, take a guess.Water breaking down into hydrogen and oxygen is a synthesis reaction.Water breaking down into hydrogen and oxygen is a decomposition reaction.Hydrogen and oxygen combining to form water is a synthesis reaction.Hydrogen and oxygen combining to form water is a decomposition reaction.
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Main-group elements from Period 3 of the periodic table are highlighted. Which element is a highly reactive metal?
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The distance x of a particle moving in one dimension, under the action of a constant force is related to time is given by the equation t = 2x +1+3 . where x is in metres and in seconds. Find the displacement of the particle when its velocity is zero. PLEASE SOLVE
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what is lighting effect of current electricityhelp me
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Make a sketch of the radius of gyration of a polymer chain vs. the degree of polymerization N as it would appear on a log-log scale for: (a) a bad solvent, (b) a good solvent, and (c) a theta solvent. If the apparent log-log trend is linear, what is the significance of the slope?
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Is joules law and Ohm's law same thing or different? Please tell:
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Question 7(Multiple Choice Worth 4 points)(04.02 LC) Which of the following substances is formed during photosynthesis?A Carbon dioxideB LightC SugarD Water
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The shock absorbers in a car act as abig spring. When a 92.5 kg persongets in, the car sinks 0.0131 m. Whatis the spring constant of the shocks?(Unit = N/m)
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