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A Volcano launches a lava bomb straight upward with an

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker ISBN: 9780321541635 54

Solution for problem 75P Chapter 2

Physics with MasteringPhysics | 4th Edition

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

Physics with MasteringPhysics | 4th Edition

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Problem 75P

Problem 75P

A Volcano launches a lava bomb straight upward with an initial speed of 28 m/s. Taking upward to be the positive direction, find the speed and direction of motion of the lava bomb (a) 2.0 seconds and (b) 3.0 seconds after it is launched.

Step-by-Step Solution:

Solution 75P

a.)

Step 1 of 2

We have to find the speed and direction of motion of the lava bomb 2.0 seconds after it was launched straight upward with an initial speed of 28 m/s.

The speed and direction of motion of the lava bomb 2.0 seconds after it was launched straight upward can be found using equation of motion for freely falling object.

where,

initial speed = 28  m/s

9.81 m/s2

s

Hence, the speed of lava bomb is\

    = 8.4 m/s (upwards)

Therefore, the speed and direction of motion of the lava bomb 2.0 seconds after it was launched are 8.4 m/s and upwards.



b.)

Step 2 of 2

Chapter 2, Problem 75P is Solved
Textbook: Physics with MasteringPhysics
Edition: 4
Author: James S. Walker
ISBN: 9780321541635

The answer to “A Volcano launches a lava bomb straight upward with an initial speed of 28 m/s. Taking upward to be the positive direction, find the speed and direction of motion of the lava bomb (a) 2.0 seconds and (b) 3.0 seconds after it is launched.” is broken down into a number of easy to follow steps, and 44 words. This full solution covers the following key subjects: bomb, direction, upward, speed, seconds. This expansive textbook survival guide covers 32 chapters, and 3833 solutions. Since the solution to 75P from 2 chapter was answered, more than 5896 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Physics with MasteringPhysics, edition: 4. Physics with MasteringPhysics was written by and is associated to the ISBN: 9780321541635. The full step-by-step solution to problem: 75P from chapter: 2 was answered by , our top Physics solution expert on 07/27/17, 10:59AM.

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A Volcano launches a lava bomb straight upward with an