10. Conservation of Energy

Springs & Elastic Potential Energy

10. Conservation of Energy

# Springs & Elastic Potential Energy - Video Tutorials & Practice Problems

1

example

## Energy in Horizontal Springs

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2

example

## Springs in Rough Surfaces

Video duration:

3mPlay a video:

3

Problem

ProblemA 4-kg block moving on a flat surface strikes a massless, horizontal spring of force constant 600 N/m with a 20 m/s. The block-surface coefficient of friction is 0.5. Calculate the maximum compression that the spring will experience.

A

Δx = 0.63 m

B

Δx = 1.60 m

C

Δx = 1.63 m

D

Δx = 1.67 m

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PRACTICE PROBLEMS AND ACTIVITIES (20)

- A spring of negligible mass has force constant k = 1600 N/m. (b) You place the spring vertically with one end ...
- A spring of negligible mass has force constant k = 800 N/m. (a) How far must the spring be compressed for 1.20...
- A spring of negligible mass has force constant k = 1600 N/m. (a) How far must the spring be compressed for 3.2...
- (I) A spring has a spring constant k of 78.0 N/m. How much must this spring be compressed to store 45.0 J of p...
- If you stand on a bathroom scale, the spring inside the scale compresses 0.60 mm, and it tells you your weight...
- You have been hired to design a spring-launched roller coaster that will carry two passengers per car. The car...
- As a 15,000 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. The cable ...
- A horizontal spring with spring constant 100 N/m is compressed 20 cm and used to launch a 2.5 kg box across a ...
- The elastic energy stored in your tendons can contribute up to 35% of your energy needs when running. Sports s...
- CALC A 10 kg box slides 4.0 m down the frictionless ramp shown in FIGURE CP10.73, then collides with a spring ...
- A freight company uses a compressed spring to shoot 2.0 kg packages up a 1.0-m-high frictionless ramp into a t...
- A 50 g ice cube can slide up and down a frictionless 30° slope. At the bottom, a spring with spring constant 2...
- The ice cube is replaced by a 50 g plastic cube whose coefficient of kinetic friction is 0.20. How far will th...
- A stretched spring stores 2.0 J of energy. How much energy will be stored if the spring is stretched three tim...
- The spring in FIGURE EX10.21a is compressed by 10 cm. It launches a block across a frictionless surface at 0.5...
- (III) An engineer is designing a spring to be placed at the bottom of an elevator shaft. If the elevator cable...
- (III) A spring ( k = 75 N/m) has an equilibrium length of 1.00 m. The spring is compressed to a length of 0.5...
- (III) A spring ( k = 75 N/m) has an equilibrium length of 1.00 m. The spring is compressed to a length of 0.5...
- (III) A spring ( k = 75 N/m) has an equilibrium length of 1.00 m. The spring is compressed to a length of 0.5...
- (II) A vertical spring (ignore its mass), whose spring constant is 875 N/m, is attached to a table and is comp...