Question

What is the work to be done to increase the velocity of a van from 10 metre per second to 20 metre per second if the mass of the Van is 2000 kg

Answer 1

Answer: 300kJ

Explanation:

Change in K.E = 1/2m(v²-u²)

= 1/2 . 2000. (400 - 100)

= 1000 . 300

= 300kJ

Answer 2

Answer:

The answer is 300 KJ

Explanation:

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