A child in a boat throws a 4.5kg package out horizontally with a speed of 13 m/s. Calculate the velocity of the boat immediately

Question

3 years ago

13

after, assuming it was initially at rest. The mass of the child is 24 kg and the mass of the boat is 53 kg.

1 answer:

Varvara68 [4.7K] · Answer 1 · 2022-02-20T17:22:09+03:00

Answer:

0.78m/s

Explanation:

Now the momentum ensued by the boy throwing the package Is

Mass of package × velocity of package =4.5×13=58.5m/s

This momentum initiated a momentum on the boy-boat system

Total mass of the boy-boat system is 24+53=75kg

Let the velocity ensued by the boat be v.

Hence from conservation of momentum

58.5 =75×v

v= 58.5/75= 0.78m/s