1.) From your experimental and calculated data, calculate theK.E. of the ball be

Question

1.) From your experimental and calculated data, calculate theK.E. of the ball before impact and the K.E. of the pendulum andball combination just after impact. Was the K.E. conserved? Whatbecomes of the difference in K.E. 2.) A 5.0kg piece of putty traveling east at a speed f2m/s collides with a 3.0kg piece of putty traveling wast at a speedof 4m/s/ the two pieces stick together after collision. Find themagnitude and direction of their velocity after collision.                            1.) From your experimental and calculated data, calculate theK.E. of the ball before impact and the K.E. of the pendulum andball combination just after impact. Was the K.E. conserved? Whatbecomes of the difference in K.E. 2.) A 5.0kg piece of putty traveling east at a speed f2m/s collides with a 3.0kg piece of putty traveling wast at a speedof 4m/s/ the two pieces stick together after collision. Find themagnitude and direction of their velocity after collision.                           

Explanation / Answer

i can't help you with (1) because i don't have the experimentaldata. (2) let's pick east as +x direction. since momentum is conserved, momentum before = momentum after momentum before = 5(2)+3(-4)=-2 momentum after = (5+3)v v = -1/4 m/s >>> means going west

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