A4 kg ball has a momentum of 12 kg m/s. what is the ball's speed? a) 3 m/sb) 4 m/sc) 12 m/sd) 48 m/se) none of these

A) 3 m/s

Explanation:

The magnitude of the momentum of an object is given by:

where

m is the mass of the object

v is its speed

In this problem, we have:

m = 4 kg is the mass of the ball

p = 12 kg m/s is its momentum

Solving the equation for v, we can find the speed of the ball:

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