What is the mass of the second sphere

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Reference no: EM13272616

A 5kg sphere moves at 20m/s makes a perfectly inelastic collision with a second sphere that is at rest. Both spheres have a velocity of 10m/s after the collision.

a) What is the mass of the second sphere?

b) How much kinetic energy is lost in the collision?

Reference no: EM13272616

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