An object has traveled 1500 meters in 18 seconds what is its average speed?

Smoke alarms only emit alpha radiation. Why is it important that it does not emit other radiation?

A 3.0-kilogram mass is traveling in a circle of 0.20-meter radius with a speed of 2.0 meters per second. what is the centripetal acceleration?

Summarize what you read on the three websites you visited by identifying the advantages and disadvantages of using plastics.

The density of uranium is 18.8 g/cm3. part a what is this value in kilograms per cubic meter?

Match each branch of science with a related career. A. Earth science B. Physical science C. Life science D. Space science Geologist Chemist Astronaut Ecologist

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?