- #1
alyssaxo
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Homework Statement
a ball having a mass of 150 g strikes a wall with a speed of 5.2 m/s and rebounds with only 50% of its initial kinetic energy. what is the magnitude of the impulse on the wall from the ball?
Homework Equations
I=Ft
I=ΔP
KE= 1/2 m v^2
The Attempt at a Solution
the answer is 1.3 N s but i don't know how to get there.