a ray of light strikes a plane mirror at an angle of 53 degrees to the normal. what is the angle of reflection?

What is the formation of the Ojos Del Salados volcano?

A boy on a bicycle is resting at the top of a hill then he rides his bicycle down the hill describe how the boy potential and kineti energy differ at the top middle and bottom of the him

The relative angle at the knee changes from 0 to 85 degrees during the knee flexion phase of a squat exercise. If 10 complete squats are performed, what is the total angular distance undergone at the knee (in degrees) ?

How far a wave travels in one second is a measure of wave

1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge.

Two boxes hang from a solid disk pulley that is free to rotate as the blocks rise/fall. The left box has a mass m1 = 4.3 kg and the right box has a mass m2 = 2.1 kg. The pulley has mass m3 = 2.5 kg and radius R = 0.15 m.

What is the relationship between speed and instantaneous velocity? a) Speed is the magnitude of velocity b) Speed is the direction of velocity c) There is no relationship

A combination reaction is when two or more reactants __ to form one product

True or false? a well oiled machine has no friction

Conclusion 1. why do engineers place tolerances on dimensions? 2. what are the three types of tolerances that appear on dimensioned drawings? 3.