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Get Full Access to Conceptual Physics - 12 Edition - Chapter 3 - Problem 19pc
Get Full Access to Conceptual Physics - 12 Edition - Chapter 3 - Problem 19pc

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# These are “plug-in-the-number” type activities | Ch 3 - 19PC ISBN: 9780321909107 29

## Solution for problem 19PC Chapter 3

Conceptual Physics | 12th Edition

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Problem 19PC

These are “plug-in-the-number” type activities to familiarize yon with the equations that link the concepts of physics. They are mainly one-step substitutions and are less challenging than the Problem. ? On a distant planet, a freely falling object has an acceleration of 20 m/s2. Calculate the speed that an object dropped from rest on this planet acquires in 1.5 s. ?

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Solution 19PC The formula for the calculating distance travelled by a freely falling object, starting from rest, is 1 2 d = g2 Where g is the acceleration due to gravity and t is the time. Now in this given problem we have g = 20 m/s 2 And t = 1.5 s So the distance d is given by 1 2 2 d = (20 m/s )(1.5 s) = 22.5 m Hence the freely falling object on the distance planet with acceleration 20 m/s will travel 22.5 m in 1.5 s.

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321909107

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