A bicyclist is in a 50-km race. She says she had an average velocity of 35.

What is missing in the cyclist's velocity?

A.

units only

B.

units and distance

C.

direction only

D.

units and direction

Almost all matter on Earth is usually A. positively charged B. negatively charged C. electrically neutral D. either A or B

What are the two main forms of mechanical energy

Manipulate the following equation to solve for t: s=1/2 at^2

A material the resists the flow of electrons is called a

The main difference between the internal combustion engine and the diesel engine is that the diesel engine A. does not have a crankshaft. B. has no connecting rods. C. does not utilize pistons. D. has no ignition system.

How much work is done when a 105 g tomato is lifted 19.2 m?

Suppose a body has a mass of 60 kilograms and a velocity of 2 meters per second upward. What is the linear momentum?

Reflection and abssorption prevent some

Why is it important to change only one experimental variable at a time in an experiment?

A 0.0663 kg ingot of metal is heated to 241◦C and then is dropped into a beaker containing 0.395 kg of water initially at 25◦C. If the final equilibrium state of the mixed system is 27.4 ◦C, find the specific heat of the metal.