FUN F15-1. The 0.5-kg ball strikes the rough ground and rebounds with the velocities shown. Determine the magnitude of the impulse the ground exerts on the ball. Assume that the ball does not slip when it strikes the ground, and neglect the size of the ball and the impulse produced by the weight of the ball. = 25 m/s v2 = 10 m/s %3D 45° 30°
FUN F15-1. The 0.5-kg ball strikes the rough ground and rebounds with the velocities shown. Determine the magnitude of the impulse the ground exerts on the ball. Assume that the ball does not slip when it strikes the ground, and neglect the size of the ball and the impulse produced by the weight of the ball. = 25 m/s v2 = 10 m/s %3D 45° 30°
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
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 2OQ: A head-on, elastic collision occurs between two billiard balls of equal mass. If a red ball is...
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![FUNDAMEN
F15-1. The 0.5-kg ball strikes the rough ground and
rebounds with the velocities shown. Determine the
magnitude of the impulse the ground exerts on the ball.
Assume that the ball docs not slip when it strikes the
ground, and neglect the size of the ball and the impulse
produced by the weight of the ball.
v2 = 10 m/s
%3D
Oz = 25 m/s
45°
30°
Prob. F15-1
F15-2. If the coefficient of kinetic friction between the
150-lb crate and the ground is u =
speed of the crate whent = 4 s. The crate starts from rest
and is towed by the 100-lb force.
0.2, determine the
%3D
100 lb
30°
Prob. F15-2
F15-3. The motor exerts a force of F = (20) N on the
cable, where t is in seconds. Determine the speed of the
25-kg crate when t= 4 s. The coefficients of static and
kinetic friction between the crate and the plane are u, = 0.3
and Hk
%D
%3D
0.25, respectively.
%3D
%3D
Prob. F15-3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9016fbbc-83f7-4e95-ab54-e0dfc682dd19%2Fdfb84e46-6500-434d-a742-728ab4735ed1%2Fzty33yr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:FUNDAMEN
F15-1. The 0.5-kg ball strikes the rough ground and
rebounds with the velocities shown. Determine the
magnitude of the impulse the ground exerts on the ball.
Assume that the ball docs not slip when it strikes the
ground, and neglect the size of the ball and the impulse
produced by the weight of the ball.
v2 = 10 m/s
%3D
Oz = 25 m/s
45°
30°
Prob. F15-1
F15-2. If the coefficient of kinetic friction between the
150-lb crate and the ground is u =
speed of the crate whent = 4 s. The crate starts from rest
and is towed by the 100-lb force.
0.2, determine the
%3D
100 lb
30°
Prob. F15-2
F15-3. The motor exerts a force of F = (20) N on the
cable, where t is in seconds. Determine the speed of the
25-kg crate when t= 4 s. The coefficients of static and
kinetic friction between the crate and the plane are u, = 0.3
and Hk
%D
%3D
0.25, respectively.
%3D
%3D
Prob. F15-3
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