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A) What potential difference is required to bring the proton to rest?
B) What potential difference is required to reduce the initial speed of the proton by a factor of 2?
C) What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 2?
A 60 (g} tennis ball with an initial speed of 32 {m/s} hits a wall and rebounds with the same speed. The figure shows the force of the wall on the ball throughout the collision.
A stand, string, a paper or plastic cup, a nail, a roll of paper towels or similar sized paper, coloured sand, or some other dry powdery product, and a ruler or measuring tape.
FInd the quantities and volume of liquid in each tank and predicting the damage or danger caused in the process.
The rock strikes the ground a horizontal distance of 44 m from the base of the building. Assume that the ground is level and that the side of the building is vertical. How long did the rock take to hit the ground? Give your answer in seconds to two d..
If you now place a pencil under the edge of the mirror nearer the wall, tilting it upward by 5.0, how much higher on the wall is the spot?
What can you conclude about the resulting displacements?
Boat A negotiates a curve whose radius is 370 m. Boat B negotiates a curve whose radius is 120 m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
fired horizontally at a speed of 550, goes completely through the block, emerging at a speed of 180 . Illustrate what is the speed of the block immediately after the bullet exits?
How would you describe why we have different atmospheric pressure on different level (height) of earth's atmosphere in molecular level (molecular behaviour and what causes such behaviour).
What is the repulsive force between two pith balls that are 12.0 cm apart and have equal charges of -26.0 nC?
An electron moves at right angles to a magnetic field of 0.109 T. What is its speed if the force exerted on it is 9×10-15 N.
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 40 degree angle from the horizontal, what is the acceleration of the ball at its maximum height? The height of the basket is 3.05 m.
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