When spiking a volleyball, a player changes the velocity of the ball from 5.1 m/s to...
When spiking a volleyball, a player changes the velocity of the ball from 5.1 m/s to -23.2 m/s along a certain direction. If the impulse delivered to the ball by the player is -9.1 kg · m/s, what is the mass of the volleyball?
Homework Answers
impulse=change in momentum P=mass*change in velocity
J=m*(Vf-Vi)
m=-9.1 kg.m/s/(-23.2m/s-5.1 m/s)
=0.32 kg
mass of the volley ball is 0.32 kg
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