Question

what is the work done to increase the velocity of a car from 36km/hr to 72km/hr of the mass of car is 1500kg

Answer 1

Explanation:

Work done =Force times displacement

Force applied=36000×1500/3600

=15000 Newtons

Work done=15000 ×36000/3600

=150000 joules

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Answer 2

Answer:

15000N

Explanation:

36=36000/3600

=10m/s

72=72000/3600

=20m/s

change In velocity =20-10=10

work done = mass *velocity

=1500*10=15000N