A car is being driven by a force of 2.5 ×10^10 N.Travelling at a constant speed of 5 m/s ,it takes 2 minutes to reach a certain place . Calculate the work done....
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force = 2. 5×10^10 N
speed=5m/s
Time=2 minutes=120 second
distance travelled=speed×time
=5×120
=600
=6×10²m
work done=2.5×10^10×6×10²
=15×10^12 Joule
We know that Distance = speed * time
= 5 * 120 ( 2minutes = 120 seconds)
= 600 M. ------------ (2)
Substitute Equation (2) in (1), we get
Work = 2.5 * 10^10 * 600
= 1.5 * 10^13
= 15 * 10^12 J.
Hope this helps!