Ekavir
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1

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"Two identical undamped oscillators have the same amplitude of oscillation only if: "

"A. they are started with the same displacementx0 B. they are started with the same velocityv0 C. they are started with the same phase D. they are started so the combination ω 2x20+v20is the same E. they are started so the combination"
ekavir
26/02/2013

1

Answers

"The amplitude and phase constant of an oscillator are determined by: "

"A. the frequency B. the angular frequency C. the initial displacement alone D. the initial velocity alone E. both the initial displacement and velocity"
ekavir
26/02/2013

1

Answers

"In simple harmonic motion: "

"A. the acceleration is greatest at the maximum displacement B. the velocity is greatest at the maximum displacement C. the period depends on the amplitude D. the acceleration is constant E. the acceleration is greatest at zero displacement"
ekavir
26/02/2013

1

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"In simple harmonic motion, the displacement is maximum when the: "

"A. acceleration is zero B. velocity is maximum C. velocity is zero D. kinetic energy is maximum E. momentum is maximum"
ekavir
26/02/2013

1

Answers

"In simple harmonic motion, the magnitude of the acceleration is greatest when: "

"A. the displacement is zero B. the displacement is maximum C. the speed is maximum D. the force is zero E. the speed is between zero and its maximum"
ekavir
26/02/2013

1

Answers

"Frequencyfand angular frequencyωare related by "

"A. f=πω B. f=2πω C. f=ω/π D. f=ω/2π E. f=2ω/π"
ekavir
26/02/2013

1

Answers

"An object attached to one end of a spring makes 20 vibrations in 10s. Its angular frequency is: "

"A. 0.79rad/s B. 1.57rad/s C. 2.0rad/s D. 6.3rad/s E. 12.6rad/s""A. 0.79rad/s B. 1.57rad/s C. 2.0rad/s D. 6.3rad/s E. 12.6rad/s"
ekavir
26/02/2013

1

Answers

"An object attached to one end of a spring makes 20 vibrations in 10s. Its frequency is: "

"A. 2Hz B. 10s C. 0.05Hz D. 2s E. 0.50s"
ekavir
26/02/2013
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