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30 questions
1 pendulum and 1 spring oscillator have the same period. If both masses are doubled, the new period of the pendulum is ___ the new period of the spring system.
Less than
Greater than
Equal to
Depends on amplitude
A spring system of mass m and spring constant k is replaced with a spring of constant 2k and a mass of 2m. The new period is __ the original period.
1/2
equal to
2 times
4 times
A pendulum swinging with a maximum amplitude of π/3 has a period of T. If the maximum amplitude is decreased to π/6, what is the new period of the pendulum?
T/4
T/2
T
2T
The restoration force of a spring oscillator is proportional to __
x
x^2
square root of x
No relation to displacement (x)
The potential energy of a spring oscillator is proportional to __
x
x^2
square root of x
No relation to displacement (x)
Maximum acceleration of an oscillator occurs at ___
Maximum Displacement from equilibrium
Equilibrium
half way between equilibrium and xmax
Not given
Maximum speed of an oscillator occurs at ___
Maximum Displacement from equilibrium
Equilibrium
half way between equilibrium and xmax
Not given
5,000 g = ____________ kg
50
50,000
5
0.005
5,000 g = ____________ kg
50
50,000
5
0.005
Which would have the longest period?
Pendulum A: A 200-g mass attached to a 1.0-m length string
Pendulum B: A 400-g mass attached to a 0.5-m length string
A
B
Same
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