The velocity of a car increase from 72 km/hr to 108 km/hr. How much is the
work done if the mass of the car is 1000 kg?
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This is kinetic work.
v=108kmph=30m/s
u=72kmph=20m/s
So,
Work=1/2×m×(v-u)
=1/2×1000kg×(30m/s-20m/s)
=1/2×1000kg×10m/s
=5000J
Hope, it helped you. Thanks!
v=108kmph=30m/s
u=72kmph=20m/s
So,
Work=1/2×m×(v-u)
=1/2×1000kg×(30m/s-20m/s)
=1/2×1000kg×10m/s
=5000J
Hope, it helped you. Thanks!
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