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The motion of a crate can be divided into two stages. Stage 1 (A-B): The crate with mass m= 4 kg is compressed against a massless spring with a spring constant (stiffness) k = 256 N/m to point A (0.5 m from its equilibrium position O), then released from rest. The crate moves along a horizontal frictionless surface, from A to B. 1 m above the reference level of PE Stage 2 (B-C): The crate slides down a rough curved surface until it reaches its bottom at point C with a speed ve 5 m/s. Calculate the work done on the crate in stage 2 by the force of kinetic friction. Take g = 10 m/s². 0 JA=-0.5m h=1m Vc = 5 m/s PE₁-0- O-22 J O-11 J O-5 J O-44 J O-33J

The motion of a crate can be divided into two stages. Stage 1 (A-B): The crate with mass m= 4 kg is compressed against a massless spring with a spring constant (stiffness) k = 256 N/m to point A (0.5 m from its equilibrium position O), then released from rest. The crate moves along a horizontal frictionless surface, from A to B. 1 m above the reference level of PE Stage 2 (B-C): The crate slides down a rough curved surface until it reaches its bottom at point C with a speed ve 5 m/s. Calculate the work done on the crate in stage 2 by the force of kinetic friction. Take g = 10 m/s². 0 JA=-0.5m h=1m Vc = 5 m/s PE₁-0- O-22 J O-11 J O-5 J O-44 J O-33J

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 79AP: Consider a block of mass 0.200 kg attached to a spring of spring constant 100 N/m. The block is...
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The motion of a crate can be divided into two stages. Stage 1 (A-B): The crate with mass m= 4 kg is compressed against a massless spring with a spring constant (stiffness) k = 256 N/m to point A (0.5 m from its equilibrium position O), then released from rest. The crate moves along a horizontal frictionless surface, from A to B, 1 m above the reference level of PE . Stage 2 (B-C): The crate slides down a rough curved surface until it reaches its bottom at point C with a speed v = 5 m/s. Calculate the work done on the crate in stage 2 by the force of kinetic friction. Take g = 10 m/s². 0 -0.5 m m Vc 5 m/s PE=0- O -22 J O-11 J O -5 J - 44 J O-33J
Transcribed Image Text:The motion of a crate can be divided into two stages. Stage 1 (A-B): The crate with mass m= 4 kg is compressed against a massless spring with a spring constant (stiffness) k = 256 N/m to point A (0.5 m from its equilibrium position O), then released from rest. The crate moves along a horizontal frictionless surface, from A to B, 1 m above the reference level of PE . Stage 2 (B-C): The crate slides down a rough curved surface until it reaches its bottom at point C with a speed v = 5 m/s. Calculate the work done on the crate in stage 2 by the force of kinetic friction. Take g = 10 m/s². 0 -0.5 m m Vc 5 m/s PE=0- O -22 J O-11 J O -5 J - 44 J O-33J
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