17. Periodic Motion

Energy in Simple Harmonic Motion

17. Periodic Motion

# Energy in Simple Harmonic Motion - Video Tutorials & Practice Problems

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## Energy in Simple Harmonic Motion

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## Example

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Problem

ProblemA block of mass 0.300 kg is attached to a spring. At x = 0.240 m, its acceleration is a_{x}= -12.0 m/s^{2} and its velocity is v_{x}=4.00 m/s. What are the system's (a) force constant k and (b) amplitude of motion?

A

9 N/m; .35 m

B

15 N/m; .61 m

C

15 N/m; 1.22 m

D

9 N/m; .11 m

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## Example

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PRACTICE PROBLEMS AND ACTIVITIES (24)

- A cheerleader waves her pom-pom in SHM with an amplitude of 18.0 cm and a frequency of 0.850 Hz. Find (a) the ...
- A thrill-seeking cat with mass 4.00 kg is attached by a harness to an ideal spring of negligible mass and osci...
- A mass is oscillating with amplitude A at the end of a spring. How far (in terms of A) is this mass from the e...
- For the oscillating object in Fig. E14.4 , what is (b) its maximum acceleration?
- For the oscillating object in Fig. E14.4 , what is (a) its maximum speed?
- A 0.500-kg glider, attached to the end of an ideal spring with force constant k = 450 N/m, undergoes SHM with ...
- A 0.500-kg glider, attached to the end of an ideal spring with force constant k = 450 N/m, undergoes SHM with ...
- A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surface. The am...
- A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless surface. The a...
- (III) A pinball machine uses a spring launcher that is compressed 6.0 cm to launch a ball up a 22° ramp. Assum...
- A 500 g air-track glider attached to a spring with spring constant 10 N/m is sitting at rest on a frictionless...
- a. When the displacement of a mass on a spring is ½A, what fraction of the energy is kinetic energy and what f...
- Two 500 g air-track gliders are each connected by identical springs with spring constant 25 N/m to the ends of...
- (I) A 1.28-kg mass oscillates according to the equation 𝓍 = 0.650 cos7.40 t where 𝓍 is in meters and t in s...
- (I) A 1.28-kg mass oscillates according to the equation 𝓍 = 0.650 cos7.40 t where 𝓍 is in meters and t in s...
- (I) If one oscillation has 3.0 times the energy of a second one of equal frequency and mass, what is the ratio...
- (II) (b) What fraction of the total energy of a SHO is kinetic and what fraction potential when the displacem...
- (II) A mass resting on a horizontal, frictionless surface is attached to one end of a spring; the other end of...
- (II) A mass resting on a horizontal, frictionless surface is attached to one end of a spring; the other end of...
- (II) An object with mass 2.7 kg is executing simple harmonic motion, attached to a spring with spring constant...
- A 280-kg wooden raft floats on a lake. When a 68-kg man stands on the raft, it sinks 3.5 cm deeper into the wa...
- (II) Draw a graph like Fig. 14–11 for a horizontal spring whose spring constant is 95 N/m and which has a mass...
- (II) Draw a graph like Fig. 14–11 for a horizontal spring whose spring constant is 95 N/m and which has a mass...
- (II) Draw a graph like Fig. 14–11 for a horizontal spring whose spring constant is 95 N/m and which has a mass...