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A 4-kg ball has a momentum of 12 kg∙m/s. what is the ball's speed?
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1 vote
A 4-kg ball has a momentum of 12 kg∙m/s. what is the ball's speed?

User Michael Innes
by
7.6k points

2 Answers

5 votes
momentum= 12kgm/s
mass=4 kg
so,speed=momentum/mass=12/4=3m/s
User OpHASnoNAME
by
8.5k points
7 votes
m= 4kg
v= ?
momentum = Mv
so
12kgms-¹ = 4kg×v
v= 12÷4 = 3ms-¹
User Moshi
by
8.1k points
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