Question

please answer the numerical which is in the picture please this is urgent..

please comment your answer correct..........

if the answer is correct I will give you brainliest​

Answer 1

Answer:

Hope this is helpful.

Explanation:

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Answer 2

Answer:

[ using law of conservation of momentum]

Momentum of boy

= 40 * 5

= 200kgm/s

Momentum of cart

= 3 * 0

= 0kgm/s

momentum of cart with boy

= 200+0

= 200kgm/s

Velocity of cart with boy

200/ 43 | momentum /( mass of boy + mass of cart)

= 4. 65 m/s

Explanation:

Hope it helps

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