Question

2. A block of mass 10 kg, hits a vertical wall perpendicularly with the speed of 2 m/sec as shown in figure. After hitting, the block rebounds with the same speed. The magnitude of change in momentum of the block due to collision with wall is (A) 30 kg m/sec (B) 0 kg m/sec (C) 40 kg m/sec (D) None of these ​

Answer 1

Answer:

(c) 40 kg m/sec

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Answer 2

Answer:

pola mark as brinliest

Explanation:

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