Question

The mass of a car is 1500 kg. How much work is required to be done on it to make it more with a speed of 72 km h ?​

Answer 1

Answer:

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Answer 2

Explanation:

Mass of car at speed 32km/ h=10 m/s = m×10

= 1500×10

15000kg m/ s

mass of car at speed 72 km/h = 20 m/ s = m× 20

=1500×20

=30000 kg m/ s

Mass change= 30000-15000 = 15000kgm/ s

I hope this will help you

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