guatemala
contestada

A bullet with mass 50.0 g is fired with an initial velocity of 625 m/s from a gun with a mass 3.50 kg. What is the speed of recoil (in m/s) of the gun?

Respuesta :

SJ2006

m1v1 = m2v2

0.05*625  = 3.50 * v2

v2 = 31.25/3.50

v2=8.92m/s