light ray 1 strikes the smooth surface of a mirror as shown below.

ray one hits the mirror, and ray 2 is going away from the mirror just to the right of ray 1, ray 3 is bouncing off just to the right of ray 2, ray 4 is bouncing off next to ray 3, and ray 5 is bouncing off the the right of ray 4.

which of the following is the reflected ray for ray 1?
ray 2
ray 3
ray 4
ray 5

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Which sound characteristic is not affected by the relative motion of an object