Problem 15If the collision between the wheelbarrow and the crate has a coefficient of restitution e = 0.6,how fast does the crate move just after impact? Jose' pushes a wheelbarrow consisting of a wheel (mass mw = 3 kg, radius r= 0.1 m) and abarrow body (mass mg = 30 kg). He accelerates from rest (state 1) to a velocity of 2 m/s (state2), when he trips and lets the wheelchair roll down the hill (height h = 2 m, 30 deg angle) to thebottom (state 3), where it hits a crate (mass mc = 20 kg) into motion (state 4). The ground has afriction coefficient of 0.5. Between states 1 and 2, when Jose' is balancing the wheelbarrow, allthe weight is on the wheel. After that, the support spike drags along the ground, holding halfthe total weight, while the other half is on the wheel.1(2(34H.

Given: Coefficient of restitution = 0.6

Answered: If the collision between the…

If the collision between the wheelbarrow and the crate has a coefficient of restitution e = 0.6, how fast does the crate move just after impact?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 120AP: A grindstone with a mass of 50 kg and radius 0.8 m maintains a constant rotation rate of 4.0 rev/s...

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Question

Problem 15
If the collision between the wheelbarrow and the crate has a coefficient of restitution e = 0.6,
how fast does the crate move just after impact?

Jose' pushes a wheelbarrow consisting of a wheel (mass mw = 3 kg, radius r= 0.1 m) and a
barrow body (mass mg = 30 kg). He accelerates from rest (state 1) to a velocity of 2 m/s (state
2), when he trips and lets the wheelchair roll down the hill (height h = 2 m, 30 deg angle) to the
bottom (state 3), where it hits a crate (mass mc = 20 kg) into motion (state 4). The ground has a
friction coefficient of 0.5. Between states 1 and 2, when Jose' is balancing the wheelbarrow, all
the weight is on the wheel. After that, the support spike drags along the ground, holding half
the total weight, while the other half is on the wheel.
1
(2
(3
4
H.

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