The structure consists of a mass at the end of a light weight cord.
What is a pendulum.
200
The shadow region a wave leaves when it encounters an object.
What is diffraction.
200
Measured in decibels.
What is loudness.
200
The frequency applied to an object matches the natural frequency of vibration for a system, it results in a large amplitude.
What is resoncance.
300
A piece of material that can be magnetized easily, but it can also lose it easily as well.
What is a soft magnet.
300
The area where a spring is neither strecthed or compressed.
What is the equilibrium point.
300
In a standing wave the area of greatest amplitude.
What is an antinode.
300
The area of a longitudinal wave that is compressed is called a
What is rarefraction.
300
The distance from the equilibrium point.
What is displacement.
400
The metric unit for a magnetic force.
What is a tesla.
400
They pygmy shrew has an average mass of 2.0g. If 49 of these shrews are placed on a spring scale with a spring constant of 24 N/m, what is the spring's displacement.
What is -.004m.
400
The speed of sound in water is 1530 m/s. If the sound wave has a frequency of 250 Hz, what is its wavelength in sea water.
What is a 6.12m.
400
A man snores with an intensity of 4.5 x 10 to the negetive eight W/m squared. Suppose the intensity is measured .6m from his mouth. What is the power of this snore.
What is 2.0 x 10 to the negative seven.
400
A change in the observed frequency of a wave, as of sound or light, occurring when the source and observer are in motion relative to each other.
What is the dopplar effect.
500
A helically wound coil of insulated wire that acts as a magnet when it carries a charge.
What is a solenoid.
500
The periodic motion that is the result of a restoring force that is proportional to the displacement.
What is simple harmonic motion.
500
The type of wave that the particles move perpendicular to the wave.
What is a transverse wave.
500
The type of instrument uses a magnet to detect and compare small electric currents.
What is a galanometer.
500
A pearl is placed on a spring scale whose spring constant is 362N/m. If the scale's platform oscillates witha frequency of 1.2 Hz, what is the mass of the pearl.