Which of these is not a type of satellite? a. land-based b. environmental c. communications d. global positioning systems

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.

Acar going 30 m/s to 70 m/s in 10 seconds calculate the acceleration of the car