Question

A force of 100 newton acts on a body of mass 20 kg

for 10 seconds. Change in its momentum is ……

(A) 5 kg m/s (B) 100 kg m/s

(C) 200 kg m/s (D) 1000 kg m/s​

Answer 1

Explanation:

answer is 5kg m/s

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Answer 2

Answer:

1000 kg m/s

Explanation:

$Force \: = \: \frac{change \: in \: momentum}{time}$

$100 \: = \: \frac{change \: in \: momentum}{10}$

$change \: in \: momentum \: = 100 \times 10 = 1000 \: kg \: m {s}^{ - 1}$