A50 g ball of clay traveling at speed vo hits and sticks to a 1.0 kg brick sitting at rest on a frictionless surface. a. find an expression for the speed of the brick after the collision in terms of vo. b. what percentage of the mechanical energy is lost (i. e. converted to thermal energy) in this collision?

To perform the procedure we proceed to define the equations that can help us,

So for the conservation of linear momentum we know that,

Clearing for v,

Substituting,

Where represents the initial velocity of the ball.

For the second part we need to know through kinetic energy the percentage loss, in this way

Initial

Final

Substituting everything in the percentage equation we have

Which means that this is the percentage of loss of kinetic energy.

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