Jae throws a 0.350kg ball so that it is traveling at 7.50m/s toward a wall, approaching the wall at an angle of 35.0° as shown in the figure to the right. After hitting the wall, the speed of the ball is still 7.50m/s but its direction has changed and it is now traveling at an angle of 35.0° away from the wall as shown to the right. a) Sketch on your paper a figure like the one shown to the right and show the vectors for the momentum before impact, PB, the momentum after impact, Pa, and use them to find Ap, the change in momentum for the ball. Clearly label each vector. b) Calculate the sign and magnitude of Ap the change in momentum in the x direction. c) Calculate the sign and magnitude of Apy the change in momentum in the y direction. d) If the collision lasts for 0.150 seconds, find the magnitude

Jae throws a 0.350kg ball so that it is traveling at 7.50m/s toward a wall, approaching the wall at an angle of 35.0° as shown in the figure to the right. After hitting the wall, the speed of the ball is still 7.50m/s but its direction has changed and it is now traveling at an angle of 35.0° away from the wall as shown to the right. a) Sketch on your paper a figure like the one shown to the right and show the vectors for the momentum before impact, PB, the momentum after impact, Pa, and use them to find Ap, the change in momentum for the ball. Clearly label each vector. b) Calculate the sign and magnitude of Ap the change in momentum in the x direction. c) Calculate the sign and magnitude of Apy the change in momentum in the y direction. d) If the collision lasts for 0.150 seconds, find the magnitude

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

IM-5 Jae throws a 0.350kg ball so that it is traveling at 7.50m/s
y
toward a wall, approaching the wall at an angle of 35.0°
as shown in the figure to the right. After hitting the wall,
the speed of the ball is still 7.50m/s but its direction has
changed and it is now traveling at an angle of 35.0° away
from the wall as shown to the right.
a) Sketch on your paper a figure like the one shown to
the right and show the vectors for the momentum
before impact, PB, the momentum after impact, PA, and
use them to find Ap, the change in momentum for the ball.
Clearly label each vector.
b) Calculate the sign and magnitude of Apx.
the change in momentum in the x direction.
c) Calculate the sign and magnitude of Apy
the change in momentum in the y direction.
d) If the collision lasts for 0.150 seconds, find the magnitude
of the average force on the ball during the collision. What
is the direction of the average force on the ball during the
collision? Answer this by showing an arrow and label it as Fave-
VA-7.50m/s 35.0
VB-7.50m/s/35.0°
hp

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