One end of a nylon rope is tied to a brick wall. The rope is stretched horizontally, passed over a pulley 80 meters away, and weighted with a mass 180.0 kg at the end. Waves on the rope are measured, and found to travel at 150 m/s. What is the mass of the rope between wall and pulley? If the rope is shaken sideways at 24.0 Hz, what is the wavelength of the waves produced?

Mass of the rope m = 6.272 kg

Wavelength is equal to 6.25 m      

Explanation:

Length of pulley L = 180 M

Mass at the end of pulley m = 180 kg

Frequency is given f = 24 Hz

Acceleration due to gravity

Tension

Velocity of wave in the rope v = 150 m/sec

Velocity of wave is given by

Therefore mass of the rope

Wavelength is equal to

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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