1. A pulley device is used to hurl projectiles from a ramp (mk = 0.26) as illustrated in the diagram. The 5.0-kg mass is accelerated from rest at the bottom of the 4.0 m long ramp by a falling %3D 20.0-kg mass suspended over a frictionless pulley. Just as the 5.0-kg mass reaches the top of the ramp, it detaches from the rope (neglect the mass of the rope) and becomes projected from the ramp. 4.0 m Hy =0.26 \5.0 kg 30 20.0 kg 60m

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Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.45P: In Chapter 9, we will define the center of mass of an object and prove that its motion is described...
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1. A pulley device is used to hurl projectiles from a
ramp (mk = 0.26) as illustrated in the diagram.
The 5.0-kg mass is accelerated from rest at the
bottom of the 4.0 m long ramp by a falling
20.0-kg mass suspended over a frictionless
pulley. Just as the 5.0-kg mass reaches the top
of the ramp, it detaches from the rope (neglect
the mass of the rope) and becomes projected
from the ramp.
4.0 m
Hy =0.26
s.0 kg
30
20.0 kg
6.0m
а.
Determine the acceleration of the 5.0-kg
mass along the ramp. (Provide
free-body diagrams for both masses.)
b. Determine the tension in the rope during
the acceleration of the 5.0-kg mass
along the ramp.
Determine the speed of projection of the
5.0-kg mass from the top of the ramp.
C.
Transcribed Image Text:1. A pulley device is used to hurl projectiles from a ramp (mk = 0.26) as illustrated in the diagram. The 5.0-kg mass is accelerated from rest at the bottom of the 4.0 m long ramp by a falling 20.0-kg mass suspended over a frictionless pulley. Just as the 5.0-kg mass reaches the top of the ramp, it detaches from the rope (neglect the mass of the rope) and becomes projected from the ramp. 4.0 m Hy =0.26 s.0 kg 30 20.0 kg 6.0m а. Determine the acceleration of the 5.0-kg mass along the ramp. (Provide free-body diagrams for both masses.) b. Determine the tension in the rope during the acceleration of the 5.0-kg mass along the ramp. Determine the speed of projection of the 5.0-kg mass from the top of the ramp. C.
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