Physics-
General
Easy
Question
Unit of potential energy is .............
- newton
- joule
- erg
- both 2 & 3
The correct answer is: both 2 & 3
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The velocity of a body at an instant is 20 m/s After 5 sec the velocity is 30 m/s. How many seconds earlier from the instant, it might have started? Assume acceleration is uniform.
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A car speed increases from 30 m/s to 60 m/s in 20 sec. Find the acceleration.
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