Laws of Motion - Result Question 18

18. A particle of mass m is moving with a uniform velocity v1. It is given an impulse such that its velocity becomes v2. The impulse is equal to

[1990]

(a) m[|v2|−|v1|]

(b) 12m[v22−v12]

(c) m[v1+v2]

(d) m[v2−v1]

Topic 2: Motion of Connected Bodies, Pulley & Equilibrium of Forces

Show Answer

Answer:

Correct Answer: 18. (d)

Solution:

  1. (d) Impulse = final momentum - initial momentum =m(v2−v1)
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