Question1
Find out the potential difference between r2 and r1 at a distance r2>r1>R from a very long metal cylinder of radius R of charge with linear charge density +x. discover the speed of a proton if it is released at r1 and when it reaches the r2.
Question2
A driver in a car travelling at a speed of 66 km/h sees a cat 108 m away on the road.
How long will it take for car to accelerate uniformly to a stop in exactly 106 m?
Response in units of s