What an object is made of and the color of light that strikes it determine the
a. apparent color of the object.
b. transparency of the object.
c. opacity of the object.
d. translucence of the object.

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?