Which levels need to be correct for cells to function? Check all that apply. blood sugar food intake body water body temperature blood oxygen

Objects in motion of kinetic energy an object fall their potential energy is converted into kinetic energy how much kinetic energy do you think the ball will have just before I hit the floor as if it was dropped from a 2 meter shelf

7. A 1300 kg car starts at rest and rolls down a hill from a height of 10.0 m. It then moves across a level (frictionless) surface and collides with a light spring-loaded guardrail with a spring constant k of 1.0 x 106 N/m.

A dog walks 14 meters to the west and then 20 meters back to the east.

Which describes an inertial frame of reference? Newton's first law is valid within the frame. The frame does not move relative to Earth. Objects remain at rest within the frame. No forces are exerted within the frame.

What does a step-up transformer increase? A. power B. energy C. force D. voltage

Along some shorelines, incoming waves cause the water to simply rise and fall rather that form a surf zone. What does this tell you about these shorlines?

Which word best describes the rate at which work is done? work energy power velocity

Explain why a valve would last longer in the pulmonary position than in the aortic position

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.

A long rope with mass m is suspended from the ceiling and hangs vertically. A wave pulse is produced at the lower end of the rope, and the pulse travels up the rope.