A ball is thrown with an initial speed of 20 m/s from one end of a horizontal platform with a length of 48 m and a height of 32 m at angle of 37° to the the horizontal. At the same time a man who is standing on the ground starts from rest and moves with a constant acceleration of a (see Figure). (a) Find the time of flight of the ball (b) What should be the acceleration of the man so that he can hold the ball before it falls? 20 m/s 37 48 m 32 m 区 cos53° =sin37°=0.6 cos37° =sin53°-0.8 g-9.8 m/s²

A ball is thrown with an initial speed of 20 m/s from one end of a horizontal platform with a length of 48 m and a height of 32 m at angle of 37° to the the horizontal. At the same time a man who is standing on the ground starts from rest and moves with a constant acceleration of a (see Figure). (a) Find the time of flight of the ball (b) What should be the acceleration of the man so that he can hold the ball before it falls? 20 m/s 37 48 m 32 m 区 cos53° =sin37°=0.6 cos37° =sin53°-0.8 g-9.8 m/s²

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Description: A ball is thrown with an initialspeed of 20 m/s from one end of a horizontalplatform with a length of 48 m and a height of32 m at angle of 37° to the the horizontal. Atthe same time a man who is standing on theground starts from rest and moves with

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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Projectile Motion

Topic Video

Question

A ball is thrown with an initial
speed of 20 m/s from one end of a horizontal
platform with a length of 48 m and a height of
32 m at angle of 37° to the the horizontal. At
the same time a man who is standing on the
ground starts from rest and moves with a
constant acceleration of a (see Figure). (a)
Find the time of flight of the ball (b) What
should be the acceleration of the man so that he can hold the ball before it falls?
20 m/s
37
48 m
32 m
区
cos53° =sin37°=0.6 cos37° =sin53°-0.8 g-9.8 m/s²

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