A car travels for 10s at a steady speed of 20m/s along a straight road. A traffic light changes to red, and the car slows down w
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Answer:
Explanation:
Given
Electric Field strength
charge of electron
Force on the charge particle is given by
but this force will be acting in the direction opposite to the direction of Electric field because electron is negatively charged
Answer:
Explanation:
Given that,
The length of a string, l = 0.87 m
Speed of the ball, v = 3.36 m/s
We need to find the acceleration of the ball. The acceleration acting on the ball is centripetal acceleration. It is given by :
So, the acceleration of the ball is .