Light passing through the center of a lens will carry on undeviated. Select one:

a. False

b. True

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t − 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.