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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 7 - Problem 38p
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 7 - Problem 38p

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# (II) A wooden block is cut into two pieces, one with three

ISBN: 9780130606204 3

## Solution for problem 38P Chapter 7

Physics: Principles with Applications | 6th Edition

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Problem 38P

Problem 38P

(II) A wooden block is cut into two pieces, one with three times the mass of the other. A depression is made in both faces of the cut, so that a firecracker can be placed in it with the block reassembled. The reassembled block is set on a rough-surfaced table, and the fuse is lit .When the firecracker explodes inside, the two blocks separate and slide apart. What is the ratio of distances each block travels?

Step-by-Step Solution:

Solution 38P:

We have to find the ratio of distance travelled by each block when the firecracker in the reassembled block explode and the blocks was separated.

Step 1 of 4

Concept:

Law of conservation of linear momentum: When no external force acts on the system, then the final momentum of the system is equal to their initial momentum.

Frictional force always acts on the surface of the bodies in contact whenever their is

relative motion between between the two bodies.

Kinetic Energy: The energy possess by the body by virtue of its motion is known as kinetic energy of the body.

Work-Energy Theorem: The change in kinetic energy of the body is equal to the amount of work done.

Step 2 of 5

Step 3 of 5

##### ISBN: 9780130606204

Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. The full step-by-step solution to problem: 38P from chapter: 7 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. This full solution covers the following key subjects: Block, firecracker, reassembled, cut, mass. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Since the solution to 38P from 7 chapter was answered, more than 3917 students have viewed the full step-by-step answer. The answer to “(II) A wooden block is cut into two pieces, one with three times the mass of the other. A depression is made in both faces of the cut, so that a firecracker can be placed in it with the block reassembled. The reassembled block is set on a rough-surfaced table, and the fuse is lit .When the firecracker explodes inside, the two blocks separate and slide apart. What is the ratio of distances each block travels?” is broken down into a number of easy to follow steps, and 76 words.

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