7340

Physics Waves And Oscillations Level: Misc Level

The position of a simple harmonic oscillator is given by x (t)=(0.5m) cos(πt/3) where t is in seconds. what is the period of the oscillator?




7301

Physics Waves And Oscillations Level: Misc Level

In a clock, the pendulum length, L1, has a period T1=0.95 s. The length of the pendulum is adjusted to a new value, L2, such that T2=1.0 s. What is the ratio L2/L1?




7299

Physics Waves And Oscillations Level: Misc Level

The position of a simple harmonic oscillator is given by x (t)=(0.5m) cos (nt/3), where t is in seconds. What is the period of the oscillator?




7116

Physics Waves And Oscillations Level: Misc Level

Vibrating Air Colunns Consider a closed 30.0 cm long organ pipe .What is the frequencey of the 2 nd overtone when the speed of sound is 33 6 m/s?




7080

Physics Waves And Oscillations Level: Misc Level

A 15.0-m rope is pulled taut with a tension of 140 N. It takes 0.545 s for a wave to propagate along the rope. What is the mass of the rope?

a.1.67 kg

b.2.77 kg

c. 5.09 kg

d.3.19 kg




7079

Physics Waves And Oscillations Level: Misc Level

A 6.00- m length of rope has a mass of 700 g. If is pulled taught with a force of 100 N. What is the speed of waves on the rope?

a.29.3 m/s

b.11.7 m/s

c. 42.0 m/s

d.3.42 m/s




7078

Physics Waves And Oscillations Level: Misc Level

A hormonic wave travels with a speed of 200 m/s and has a wavelength of 0.800 m. What is the period of the wave?

a. 40.0 Hz

b.125 Hz

c.80.0 Hz

d.250 Hz




7077

Physics Waves And Oscillations Level: Misc Level

A harmonic wave has a wavelength of 2.0 m and a frequency of 5.0 Hz. What is the speed of the wave?

a. 10 m/s

b.0.4 m/s

c.0.10 m/s

d.2.5 m/s




7075

Physics Waves And Oscillations Level: Misc Level

A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a freqency of 2.55 Hz. What is the maximum speed of the needle?

a.3.18 cm/s

b.20.3 cm/s

c.10.1 cm/s

d.6.36 cm/s




7074

Physics Waves And Oscillations Level: Misc Level

In simple harmonic motion, the speed is greatest at that point in the cycle when;

a.The magnitude of the acceleration is a maximum.

b.The displacement is a maximum. 

c.The magnitude of the acceleration is a minimum.

d. The potential energy is a maximum.




7073

Physics Waves And Oscillations Level: Misc Level

The position of a mass that is oscillating on a spring is given by x= (18.3 cm) cos[2.35 s to power of (-1))t]. What is the frequency of this motion?

a. 0.426 Hz

b.1.34 Hz

c. 0.128 Hz

d. 0.374 Hz




7072

Physics Waves And Oscillations Level: Misc Level

The position of a mass that is oscillating on a spring is given by x =(18.3 cm) cos[ (2.35 s to power of (-1)) t]. What is the freqency of this motion?

a.0.426 Hz

b.1.34 Hz

c.0.128 Hz

d.0.374 Hz




7071

Physics Waves And Oscillations Level: Misc Level

If your heart is beating at 76.0 beats per minute, what is the freqency of your heart,s oscillations?

a.4560 Hz

b.1450 Hz

c.3.98 Hz

d.1.27 Hz




7070

Physics Waves And Oscillations Level: Misc Level

The quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation?

a.3.05 multiply 10 to power of (expont) s

b.9.58 multply 10 to power of (exponent) s

c. 1.91 multiply 10 to power of (exponent) s 

d.9.71 multiply 10 to power of (exponent) s




7049

Physics Waves And Oscillations Level: Misc Level

What are the resonant frequencies for an open organ opipe of fixed length L?


Displaying 16-30 of 480 results.