A 0.1000-kg marble is fired by a boy from a slingshot at point A, at a height of 1.500 mfrom the ground. It hits a frictionless inclined concrete wall at point B, which is 30.0 maway from the boy. After hitting the wall, the marble rebounds with a velocity, VB.directed 140° from the horizontal as shown. The ball finally hits point C on thefrictionless floor. The velocity of firing, VA, is 20.0 m/s, directed 45.0° with thehorizontal.VA = 20 m/s14.42 m/s4.80 m/s15.51 m/s5.72 m/s[1.5 mC9.37 m/s5.72 m/s10.98 m/s15.51 m/s30 mVB60°BWhich of the following gives the closest value of themagnitude of the velocity of the ball BEFORE it strikes thefloor at point C?= 140°Which of the following gives the closest value of themagnitude of the velocity of the ball AFTER it strikes the floorat point C, if the coefficient of restitution between the balland the floor is 0.650?

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Description: A 0.1000-kg marble is fired by a boy from a slingshot at point A, at a height of 1.500 mfrom the ground. It hits a frictionless inclined concrete wall at point B, which is 30.0 maway from the boy. After hitting the wall, the marble rebounds with a v

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A 0.1000-kg marble is fired by a boy from a slingshot at point A, at a height of 1.500 m from the ground. It hits a frictionless inclined concrete wall at point B, which is 30.0 m away from the boy. After hitting the wall, the marble rebounds with a velocity, VB. directed 140* from the horizontal as shown. The ball finally hits point C on the frictionless floor. The velocity of firing, VA, is 20.0 m/s, directed 45.0° with the horizontal. VA = 20 m/s [1.5 m c[ 30 m VB 60° B = 140° Which of the following gives the closest value of the magnitude of the velocity of the ball BEFORE it strikes the floor at point C?

A 0.1000-kg marble is fired by a boy from a slingshot at point A, at a height of 1.500 m from the ground. It hits a frictionless inclined concrete wall at point B, which is 30.0 m away from the boy. After hitting the wall, the marble rebounds with a velocity, VB. directed 140* from the horizontal as shown. The ball finally hits point C on the frictionless floor. The velocity of firing, VA, is 20.0 m/s, directed 45.0° with the horizontal. VA = 20 m/s [1.5 m c[ 30 m VB 60° B = 140° Which of the following gives the closest value of the magnitude of the velocity of the ball BEFORE it strikes the floor at point C?

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

A 0.1000-kg marble is fired by a boy from a slingshot at point A, at a height of 1.500 m
from the ground. It hits a frictionless inclined concrete wall at point B, which is 30.0 m
away from the boy. After hitting the wall, the marble rebounds with a velocity, VB.
directed 140° from the horizontal as shown. The ball finally hits point C on the
frictionless floor. The velocity of firing, VA, is 20.0 m/s, directed 45.0° with the
horizontal.
VA = 20 m/s
14.42 m/s
4.80 m/s
15.51 m/s
5.72 m/s
[1.5 m
C
9.37 m/s
5.72 m/s
10.98 m/s
15.51 m/s
30 m
VB
60°
B
Which of the following gives the closest value of the
magnitude of the velocity of the ball BEFORE it strikes the
floor at point C?
= 140°
Which of the following gives the closest value of the
magnitude of the velocity of the ball AFTER it strikes the floor
at point C, if the coefficient of restitution between the ball
and the floor is 0.650?

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