ReviewBall A has a mass of 3 kg and is moving with a velocity of (vA), =9 m/s when it makesa direct collision with ball B, which has a mass of 2 kg and is moving with a velocity of(vB5 m/s Suppose that e 0.8. Neglect the size of the balls. (Figure 1)Part ADetermine the velocity of Ajust after the collision measured to the right.Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left.?m/sValue(UA)2=Request AnswerSubmitPart BDetermine the velocity of Bjust after the collision measured to the right.Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left.Figure1 of 1m/sValue(VB)2(у)SubmitRequest AnswerBProvide FeedbackNext

Question
Asked Oct 24, 2019
Review
Ball A has a mass of 3 kg and is moving with a velocity of (vA), =9 m/s when it makes
a direct collision with ball B, which has a mass of 2 kg and is moving with a velocity of
(vB5 m/s Suppose that e 0.8. Neglect the size of the balls. (Figure 1)
Part A
Determine the velocity of Ajust after the collision measured to the right.
Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left.
?
m/s
Value
(UA)2=
Request Answer
Submit
Part B
Determine the velocity of Bjust after the collision measured to the right.
Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left.
Figure
1 of 1
m/s
Value
(VB)2
(у)
Submit
Request Answer
B
Provide Feedback
Next
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Review Ball A has a mass of 3 kg and is moving with a velocity of (vA), =9 m/s when it makes a direct collision with ball B, which has a mass of 2 kg and is moving with a velocity of (vB5 m/s Suppose that e 0.8. Neglect the size of the balls. (Figure 1) Part A Determine the velocity of Ajust after the collision measured to the right. Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left. ? m/s Value (UA)2= Request Answer Submit Part B Determine the velocity of Bjust after the collision measured to the right. Express your answer to three significant figures and include the appropriate units. Enter positive value if the velocity is directed to the right and negative value if the velocity is directed to the left. Figure 1 of 1 m/s Value (VB)2 (у) Submit Request Answer B Provide Feedback Next

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Step 1

(a)

Apply the law of conservation of momentum

mAVAtm3V3mVtm2vs...I)
m is the mass of ball A, v^is the velocity of the ball A before collision
is the velocity of the ball A after colli sion, mg is the mass of ball B
is the velocity of the ball B before collision,
is the velocity of the ball B after collisi on
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mAVAtm3V3mVtm2vs...I) m is the mass of ball A, v^is the velocity of the ball A before collision is the velocity of the ball A after colli sion, mg is the mass of ball B is the velocity of the ball B before collision, is the velocity of the ball B after collisi on

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Step 2

The coefficient of restitution is given as

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Step 3

Rewrite equation (II) after s...

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