a perfectly elastic collision with a block of mass M at rest. After the collision, the 2.9 kg block recoils with a velocity of vf = 0.8 m / s. What is the speed of the block of mass M after the collision? a. 4.1 m/s b. 4.9 m/s c. 3.7 m/s d. 3.3 m/s e. 4.5 m/s
a perfectly elastic collision with a block of mass M at rest. After the collision, the 2.9 kg block recoils with a velocity of vf = 0.8 m / s. What is the speed of the block of mass M after the collision? a. 4.1 m/s b. 4.9 m/s c. 3.7 m/s d. 3.3 m/s e. 4.5 m/s
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter2: Kinematics
Section: Chapter Questions
Problem 19CQ: What is the last thing you should do when solving a problem? Explain.
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In the figure, a block of mass m = 2.9 kg, moving on a frictionless surface with a speed of vi = 4.1 m / s makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 2.9 kg block recoils with a velocity of vf = 0.8 m / s. What is the speed of the block of mass M after the collision?
a. 4.1 m/s
b. 4.9 m/s
c. 3.7 m/s
d. 3.3 m/s
e. 4.5 m/s
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