9:25 O O M O O .三+ 17ImageTextHomework4. A spring has a force constant of 1500 N/m. How much work is required toextend the spring 0.1m from its relaxed position?750JA1500 JB7.5 J150 J5. Calculate the kinetic energy of a 4.0 g bullet moving at 1000 m/s.A1000 JB2000 J3000 JD4000 J6. A child whose mass m = 20 kg, is running through a tunnel a distance 100m in 20 s. The kinetic energy of the child is:A200JB250 J400 J100J17/17RotateMarkupSignatureNote

As per bartleby guideline I am solving the first question, given that, k=1500 N/m x=0.1 m

Answered: 4. A spring has a force constant of…

4. A spring has a force constant of 1500 N/m. How much work is required to extend the spring 0.1m from its relaxed position? A 1500 J B 750J 7.5J D 150 J

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section6.4: Work Done By A Varying Force

Problem 6.4QQ

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Concept explainers

Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest. 

Question

9:25 O O M O O .
三
+ 17
Image
Text
Homework
4. A spring has a force constant of 1500 N/m. How much work is required to
extend the spring 0.1m from its relaxed position?
750J
A
1500 J
B
7.5 J
150 J
5. Calculate the kinetic energy of a 4.0 g bullet moving at 1000 m/s.
A
1000 J
B
2000 J
3000 J
D
4000 J
6. A child whose mass m = 20 kg, is running through a tunnel a distance 100
m in 20 s. The kinetic energy of the child is:
A
200J
B
250 J
400 J
100J
17/17
Rotate
Markup
Signature
Note

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