A horizontal line on a distance time graph represents

A) zero velocity. B) constant negative velocity. C) constant positive velocity. D) constantly increasing velocity.

2. Which of the following accurately describes the effects of temperature changes on solids? A. If the temperature of a solid is increased, the solid contracts and its volume increases. B.

Why can't you you use a pump to lift water to the third floor?

What is the theoretical volume of 10mL of an ideal gas at absolute zero?

A battery sits in an iPod before the iPod is turned on. Gravitational Chemical Elastic Electric

What is the mass of an object that requires a force of 30 N to accelerate at a rate of 5 m/sec2?

Which condition is a neuron in when the outside of the neuron has a net positive charge and the inside has a net negative charge?. Threshold. Action potential. Resting potential

Use combustion by moving pistons which respond to a change in pressure

If q1 is 2μC, q2 is 5μC and r1 = 0.2m, then the force between the charges is

On a weather map places that have the same temperature are joined with lines called

Which of the following generally speed up a reaction? A. increasing the activation energy B. removing any catalysts C. adding more heat D. shaking the container holding the reaction