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# (a) Calculate the height of a cliff if it takes 2.35 s for ISBN: 9780130606204 3

## Solution for problem 47PE Chapter 2

Physics: Principles with Applications | 6th Edition

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Problem 47PE

(a) Calculate the height of a cliff if it takes 2.35 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.00 m/s. (b) How long would it take to reach the ground if it is thrown straight down with the same speed?

Step-by-Step Solution:

Step-by-step solution 47PE Step 1 of 3 From the equation of motion, Here, y is the final position of the object, yo is the initial position of the object, u is the initi al velocity is the time in terval and a is the acceleration of an object. Step 2 of 3 (a) Substitute 0 m for yo, for , 2.35 s for and for . Or, the initial position of the rock is, Hence, the height of the cliff is .

Step 3 of 3

##### ISBN: 9780130606204

Since the solution to 47PE from 2 chapter was answered, more than 356 students have viewed the full step-by-step answer. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. The answer to “(a) Calculate the height of a cliff if it takes 2.35 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.00 m/s. (b) How long would it take to reach the ground if it is thrown straight down with the same speed?” is broken down into a number of easy to follow steps, and 55 words. The full step-by-step solution to problem: 47PE from chapter: 2 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: cliff, Thrown, straight, Ground, reach. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6.

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