Two objects have equal momentum

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Two objects have equal momentum. Object P has three times the mass of object Q. What is the ratio

v_P : v_Q

of their speeds? (a)

3 : 1

(b)

1 : 1

(c)

1 : 3

(d)

1 : \sqrt{3}

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