Question

the velocity of a body of mass 10 kg increases from 4m/s to 8m/s when a force acts on it for 2 s. What is the gain in momentum per second ?​

Answer 1

$\huge\bold\red{HELLO!!}$

Momentum gain per second =Final Momentum-Initial Momentum/Time

= (mv2-mv1)/t

=(80-40)/2

=20kg.m/s^2

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Answer 2

Explanation:

given

m = 10kg

u = 4m/s

v = 8m/s

t = 2s

p = m ( v - u )/ t

= 10 × 4 /2

=. 20 kgm/s

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