Asked by Tammy

A ball of mass .3 kg is dropped from a height of 10m. Its momentum when it strikes the ground is?

I know p=mv
how would I find velocity for this problem?

Thanks in advance for your help.
Answered by bobpursley
Use conservation of energy.

vf^2=Vi^2+2gh
vf= sqrt (2*9.8*10)

Answered by sara
potential energy = kinetic energy
mgh=1/2 mv^2
cancel out mass
plug in gravity, height
solve for v
Answered by cambridge school
a ball of mass 5kg is dropped from a height 2meter.
Answered by Firdows Ridwan
P.e=k.e then,
Mgh=1\2mvsquare
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