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An object moves with simple harmonic motion. If the amplitude and the period are both doubled, the object s maximum spee - PowerPoint PPT Presentation


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Chapter 14. An object moves with simple harmonic motion. If the amplitude and the period are both doubled, the object’s maximum speed is. 1. quartered. 2. halved. 3. quadrupled. 4. doubled. 5. unchanged.

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slide2

An object moves with simple harmonic motion. If the amplitude and the period are both doubled, the object’s maximum speed is

1. quartered.

2. halved.

3. quadrupled.

4. doubled.

5. unchanged.

slide3

An object moves with simple harmonic motion. If the amplitude and the period are both doubled, the object’s maximum speed is

1. quartered.

2. halved.

3. quadrupled.

4. doubled.

5. unchanged.

slide6

Four springs have been compressed from their equilibrium position at x = 0 cm. When released, they will start to oscillate. Rank in order, from highest to lowest, the maximum speeds of the oscillators.

1. c > b > a = d

2. c > b > a > d

3. d > a > b > c

4. a = d > b > c

5. b > c > a = d

slide7

Four springs have been compressed from their equilibrium position at x = 0 cm. When released, they will start to oscillate. Rank in order, from highest to lowest, the maximum speeds of the oscillators.

1. c > b > a = d

2. c > b > a > d

3. d > a > b > c

4. a = d > b > c

5. b > c > a = d

slide8

This is the position graph of a mass on a spring. What can you say about the velocity and the force at the instant indicated by the dotted line?

1. Velocity is positive; force is to the right.

2. Velocity is negative; force is to the left.

3. Velocity is negative; force is to the right.

4. Velocity is zero; force is to the right.

5. Velocity is zero; force is to the left.

slide9

This is the position graph of a mass on a spring. What can you say about the velocity and the force at the instant indicated by the dotted line?

1. Velocity is positive; force is to the right.

2. Velocity is negative; force is to the left.

3. Velocity is negative; force is to the right.

4. Velocity is zero; force is to the right.

5. Velocity is zero; force is to the left.

slide10

One person swings on a swing and finds that the period is 3.0 s. Then a second person of equal mass joins him. With two people swinging, the period is

1. 1.5 s.

2. <3.0 s but not necessarily 1.5 s.

3. 3.0 s.

4. >3.0 s but not necessarily 6.0 s.

5. 6.0 s.

slide11

One person swings on a swing and finds that the period is 3.0 s. Then a second person of equal mass joins him. With two people swinging, the period is

1. 1.5 s.

2. <3.0 s but not necessarily 1.5 s.

3. 3.0 s.

4. >3.0 s but not necessarily 6.0 s.

5. 6.0 s.

slide12

Rank in order, from largest to smallest, the time constants of the decays shown in the figure.

1.

2.

3.

4.

5.

slide13

Rank in order, from largest to smallest, the time constants of the decays shown in the figure.

1.

2.

3.

4.

5.

slide14

Chapter 14

Reading Quiz

slide15

What is the name of the quantity represented by the symbol

1. Angular momentum

2. Angular frequency

3. Phase constant

4. Uniform circular motion

5. Centripetal acceleration

slide16

What is the name of the quantity represented by the symbol

1. Angular momentum

2. Angular frequency

3. Phase constant

4. Uniform circular motion

5. Centripetal acceleration

slide17

What term is used to describe an oscillator that “runs down” and eventually stops?

1. Tired oscillator

2. Out of shape oscillator

3. Damped Oscillator

4. Resonant oscillator

5. Driven oscillator

slide18

What term is used to describe an oscillator that “runs down” and eventually stops?

1. Tired oscillator

2. Out of shape oscillator

3. Damped Oscillator

4. Resonant oscillator

5. Driven oscillator

slide19

The starting conditions of an oscillator are characterized by

1. the initial acceleration.

2. the phase constant.

3. the phase angle.

4. the frequency.

slide20

The starting conditions of an oscillator are characterized by

1. the initial acceleration.

2. the phase constant.

3. the phase angle.

4. the frequency.

slide21

Wavelength is

  • 1. the time in which an oscillation repeats itself.
  • 2. the distance in which an oscillation repeats itself.
  • 3. the distance from one end of an oscillation to the other.
  • 4. the maximum displacement of an oscillator.
  • 5. not discussed in Chapter 14.
slide22

Wavelength is

  • 1. the time in which an oscillation repeats itself.
  • 2. the distance in which an oscillation repeats itself.
  • 3. the distance from one end of an oscillation to the other.
  • 4. the maximum displacement of an oscillator.
  • 5. not discussed in Chapter 14.
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