Concept explainers
(a)
The velocity of the plate immediately after the impact.
Answer to Problem 13.151P
The velocity of the plate immediately after the impact is
Explanation of Solution
Given information:
Speed of the ball
Mass of the ball
Mass of the plate
General impulse-momentum principal,
Newton’s equation of motion,
Calculation:
The velocity of the ball just before impact can be calculated as follows:
Newton’s equation of motion,
The velocity of the ball just after impact can be calculated as follows:
Newton’s equation of motion,
Applying general impulse-momentum principal,
Conclusion:
The velocity of the plate immediately after the impact is
(b)
The energy loss due to the impact.
Answer to Problem 13.151P
The energy loss due to the impact is
Explanation of Solution
Given information:
Speed of the ball
Mass of the ball
Mass of the plate
General impulse-momentum principal,
Newton’s equation of motion,
Kinetic energy,
Calculation:
Velocity just before impact,
Kinetic energy just before impact,
Velocity just after impact,
Kinetic energy just before impact,
Conclusion:
The energy loss due to the impact,
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Chapter 13 Solutions
Vector Mechanics For Engineers
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