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Physics / Physics with MasteringPhysics 4 / Chapter 4 / Problem 70GP

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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A shot-putter throws the shot with an initial speed of

Chapter 4, Problem 70GP

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QUESTION:

Problem 70GP

A shot-putter throws the shot with an initial speed of 12.2 m/s from a height of 5.15 ft above the ground. What is the range of the shot if the launch angle is (a) 20.0°, (b) 30.0°, or (c) 40.0°?

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QUESTION:

Problem 70GP

A shot-putter throws the shot with an initial speed of 12.2 m/s from a height of 5.15 ft above the ground. What is the range of the shot if the launch angle is (a) 20.0°, (b) 30.0°, or (c) 40.0°?

ANSWER:

Step 1 of 4

A shot is launched at and angle of with an initial speed of from a height of .

Now we can write the equation for the coordinate as given below

Where

position at any time .

initial position of

initial launch speed in -direction.

and are gravitational acceleration and time resp.

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