A 2 kg rubber ball is thrown at a wall horizontally at 3 m/s, and bounces back the way it came at an equal speed. A 2 kg clay ball is also thrown at the same speed horizontally at the wall, but sticks to it upon hitting. [THE CLAY BALL / THE RUBBER BALL /NEITHER] (circle one) exerts a greater magnitude of impulse on the wall. Briefly explain (either in words or calculations)

THE RUBBER BALL

Explanation:

From the question we are told that

      The mass of the rubber ball is

      The  initial  speed of the rubber ball is  

      The final speed at which it bounces bank

      The mass of the clay ball  is  

       The  initial  speed of the clay  ball is

       The final speed of the clay ball is  

Generally Impulse is mathematically represented as

where is the change in the linear momentum so  

For the rubber  is  

=>    

For the clay ball

=>    

So from the above calculation the ball with the a higher magnitude of impulse is the rubber ball

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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