Question

A body of mass 10kg at rest moves with an acceleration 2m/sec square.Its momentum after a time 10 sec is​

Answer 1

Answer:

momentum = M∆V

V = u + at

V = 0 + 2(10)

V = 20m/sec

momentum = 10×20

= 200kg.m/sec

Explanation:

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Answer 2

Answer:

p = 200 kgm/s

Explanation:

Given, m = 10kg; a = 2m/s², t = 10

Velocity after 10s is given by,

v = u + at

v = 0 + 2(10)

v = 20 m/s

Momentum after 10s p = mv

p = 10(20)

p = 200 kgm/s