Which wave requires a medium for trasmission?

a. Light

b. Radio

c. Infrared

d. Sound

Summarize Newton's Laws of motion.

Suppose you are walking home after school. The distance from school to your home is five kilometers. On foot, you can get home in 25 minutes. However, if you rode a bicycle, you could get home in 10 minutes. a.

How many miles is in 7 blocks?

The force of gravity acting on a body is 675 newtons. Find the mass of the body to the nearest kilogram. A. 15 kg B. 1,488 kg C. 69 kg D. 6,615 kg

The si unit of pressure is the

What is the total number of atoms in the following formula? CaBr2 04

The Amazon River is in Europe. True or False

A microwave oven operating at 120 volts is used to heat a sandwich if the oven draws 12.5 amperes of current for 45 seconds what is the power dissipated by the oven?

Which of the transformers are step-up transformers? Which of the transformers are step-down transformers?

1 A plane moving at 30m/s drops a load 200m down to the ground. How long did it take to hit the ground.