Seudónimo Seudónimo

24-07-2019
Physics

contestada

If the mass of an object is 6 kg and its momentum is 72 kgm/s, what is its velocity?

A. 18 m/s
B. 12 m/s
C. 9 m/s
D. 72 m/s

Respuesta :

MathPhys MathPhys

24-07-2019

Answer:

B. 12 m/s

Explanation:

Momentum is mass times velocity

p = mv

Given p = 72 kgm/s and m = 6 kg:

72 kgm/s = (6 kg) v

v = 12 m/s

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