A 4.20–kg block is set into motion up an inclined plane with an initial speed of vi = 7.60 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of θ = 30.0° to the horizontal. An inclined plane makes an angle of θ with the horizontal. A block is shown on the plane at two different positions, a distance d apart. An arrow labeled vi is above the lower position of the block, and points up and to the right, parallel to the plane. (a) For this motion, determine the change in the block's kinetic energy.J(b) For this motion, determine the change in potential energy of the block–Earth system.J(c) Determine the friction force exerted on the block (assumed to be constant).N(d) What is the coefficient of kinetic friction?
A 4.20–kg block is set into motion up an inclined plane with an initial speed of vi = 7.60 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of θ = 30.0° to the horizontal. An inclined plane makes an angle of θ with the horizontal. A block is shown on the plane at two different positions, a distance d apart. An arrow labeled vi is above the lower position of the block, and points up and to the right, parallel to the plane. (a) For this motion, determine the change in the block's kinetic energy.J(b) For this motion, determine the change in potential energy of the block–Earth system.J(c) Determine the friction force exerted on the block (assumed to be constant).N(d) What is the coefficient of kinetic friction?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 7OQ: A student at the top of a building of height h throws one ball upward with a speed of vi and then...
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A 4.20–kg block is set into motion up an inclined plane with an initial speed of vi = 7.60 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of θ = 30.0° to the horizontal.
An inclined plane makes an angle of θ with the horizontal. A block is shown on the plane at two different positions, a distance d apart. An arrow labeled vi is above the lower position of the block, and points up and to the right, parallel to the plane.
(a) For this motion, determine the change in the block's kinetic energy.
J
(b) For this motion, determine the change in potential energy of the block–Earth system.
J
(c) Determine the friction force exerted on the block (assumed to be constant).
N
(d) What is the coefficient of kinetic friction?
J
(b) For this motion, determine the change in potential energy of the block–Earth system.
J
(c) Determine the friction force exerted on the block (assumed to be constant).
N
(d) What is the coefficient of kinetic friction?
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