A merry-go-round rotates with a centripetal acceleration of 15 m/s2. If the

outer horses are 7 m from the center of the ride, what is their velocity?

O

A. 11.8 m/s

O

B. 10.2 m/s

O

O

C. 9.6 m/s

D. 8.4 m/s

What lies beneath earth crust

Technician A says that a common cause of parking brakes that will not hold, is out of adjustment slack adjusters. Technician B says that loss of pressure in the secondary circuit can cause poor trailer parking brake performance.

The relative biological effectiveness of a particular radon decay is 10 due to alpha particles. If the absorbed dose of a person in a basement was 3.8 mSv/y, what is the radiation dose in Gy/y and the absorbed dose in rem/y?

What can convert electricity into mechanical energy? A. an electromagnets B. a compass C. a generator D. a motor

The fuzzy cloud around the nucleus is called the

Which configuration would produce an electric current?

Which of the following is not an assumption that scientists must make about the natural world

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

What name is given to the variable we plot on the x-axis? A. The dependent variable B. The independent variable c. The linear variable D. The inverse variable

What force is required to accelerate a body with the mass of 15 kilograms at a rate of 8m/s2?