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Physics / Fundamentals of Physics 10 / Chapter 8 / Problem 29

Fundamentals of Physics | 10th Edition | ISBN: 9781118230725 | Authors: David Halliday; Robert Resnick; Jearl Walker

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In Fig. 8-42, a block of mass m ! 12 kg is released from

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QUESTION:

In Fig. 8-42, a block of mass m ! 12 kg is released from rest on a frictionless incline of angle 30#. Below the block is a spring that can be compressed 2.0 cm by a force of 270 N. The block momentarily stops when it compresses the spring by 5.5 cm. (a) How far does the block move down the incline from its rest position to this stopping point? (b) What is the speed of the block just as it touches the spring? m Figure 8-42 29 and 35.

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QUESTION:

In Fig. 8-42, a block of mass m ! 12 kg is released from rest on a frictionless incline of angle 30#. Below the block is a spring that can be compressed 2.0 cm by a force of 270 N. The block momentarily stops when it compresses the spring by 5.5 cm. (a) How far does the block move down the incline from its rest position to this stopping point? (b) What is the speed of the block just as it touches the spring? m Figure 8-42 29 and 35.

ANSWER:

Step 1 of 7

Given,

Mass of the block,

Angle,

The change in length of the spring as it is compressed by the block is,

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