A motorcycle of
mass 100
kg
is
moving with velocity 20 km/hr.
How much work will be done to
increase its velocity
up to 40 km/hr?
Answers
Answered by
1
Answer:
277.8J
Explanation:
from work energy theorem work done is equal to change in kinetic energy
initial velocity(u)=20×5/18 m/s
final velocity=40×5/18m/s
work done(w)=1/2×100×5/18(40-20)
w=277.8J
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