5. (Motion Along a Straight Line) A ball is shot from the top of a build-...
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5. (Motion Along a Straight Line) A ball is shot from the top of a build- ing with an initial velocity of 18 m/s at an angle 0 = 42° above the horizontal. i What are the horizontal and vertical components of the initial velocity? ii If a nearby building is the same height and 55 m away, how far below the top of the building will the ball strike the nearby build- ing? Answer: i) Vro = 13 m/s vyo = 12 m/s ii) y = -33 m 5. (Motion Along a Straight Line) A ball is shot from the top of a build- ing with an initial velocity of 18 m/s at an angle 0 = 42° above the horizontal. i What are the horizontal and vertical components of the initial velocity? ii If a nearby building is the same height and 55 m away, how far below the top of the building will the ball strike the nearby build- ing? Answer: i) Vro = 13 m/s vyo = 12 m/s ii) y = -33 m
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Initial velocity v i 18ms Angle 42 i Horizontal component v xo v i cos18cos 42 ... View the full answer
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
Posted Date:
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