Question
Asked Oct 21, 2019
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Two Bowling balls are moving toward each other and collide. Assume elastic collision.
M = 2 kg moving at 3 m/sec, and m = 1.8 kg moving at
-4 m/sec.
Find their velocities after the collision
Find their total initial kinetic energy, and total final kinetic energy. Are they equal?
 
 
 
 
 
 
 
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Expert Answer

Step 1

Write the expression for final velocity for elastic collision

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(М-т) и, + 2ти, и3 т+M

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Step 2

Substitute the values

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[(2 kg)-(1.8 kg)(3 m/s) +2 (1.8 kg)(-4 m/s) 4 = (2 kg)(1.8 kg =-3.6 m/s

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Step 3

Write the expression for final vel...

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2Ми - (М-т)и, m+M

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