Please answer the question and its subquestions entirely! This is one question with two subquestions. According to the official Bartleby guidelines, I am alowed to have up to two subquestion!   1) A 0.15 kg ball moving at 40 m/s is struck by a bat. The bat reverses the ball's direction and gives it a speed of 50 m/s. What average force does the bat apply to the ball if they are in contact for 6.0 ×10 -3 s?     14 N     2.5 × 10 2 N     1.3 × 10 3 N     2.3 × 10 3 N a) A billiard ball moving at 5 m/s strikes a stationary ball of the same mass. After the collision, the original ball moves at a velocity of 4.35 m/s at an angle of 30 o below its original motion. Find the velocity and angle of the second ball after the collision.     1.25 m/s @ 31.2o     1.44 m/s @ 60.0o     2.16 m/s @ 30.0o     2.47 m/s @ 61.9o b) The acceleration of an object undergoing uniform circular motion is constant in     magnitude only.     direction only.     both magnitude and direction.     neither magnitude nor direction.

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter8: Momentum And Collisions
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Please answer the question and its subquestions entirely! This is one question with two subquestions. According to the official Bartleby guidelines, I am alowed to have up to two subquestion!

 

1)

A 0.15 kg ball moving at 40 m/s is struck by a bat. The bat reverses the ball's direction and gives it a speed of 50 m/s. What average force does the bat apply to the ball if they are in contact for 6.0 ×10 -3 s?
   
14 N
   
2.5 × 10 2 N
   
1.3 × 10 3 N
   
2.3 × 10 3 N

a)

A billiard ball moving at 5 m/s strikes a stationary ball of the same mass. After the collision, the original ball moves at a velocity of 4.35 m/s at an angle of 30 o below its original motion. Find the velocity and angle of the second ball after the collision.
   
1.25 m/s @ 31.2o
   
1.44 m/s @ 60.0o
   
2.16 m/s @ 30.0o
   
2.47 m/s @ 61.9o
b)
The acceleration of an object undergoing uniform circular motion is constant in
   
magnitude only.
   
direction only.
   
both magnitude and direction.
   
neither magnitude nor direction.


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