A rock falls 30 m. Its KE before it strikes the ground is 4,392 J. What is the

mass of the rock?

A. 15 kg

B. 146 kg

C. 1.5 kg

D. 3.0 kg

Which type of hearing problem can be reduced which ordinary hearing aids

Que magnitud fisica permite transmitir la comunicacion por celular

The ends of a magnet where the force is strongest are magnetic

What is one way you could slow the viscosity of a liquid?

Erosion is the removal and transportation of weathered and nonweathered materials by a. running water. c. ice. b. wind. d. All of the above.

Two small plastic spheres between them has magnitude 0.22 N. What is the charge on each sphere is one the other? Explain whether it can be determined from the information give, whether the charges are positive or negative.

If it has enough kinetic energy, a moleculeat the surface of the Earth can escape the Earth's gravitation. The acceleration of gravity is 9.8 m/s2, and the Boltzmanns' constant is 1.38066*10-23 J/K.

True or False. Alcohol is toxic to most fruit flies, but fruit flies that metabolize alcohol quickly survive alcohol exposure better than normal metabolizers.

Aerobic exercise is exercise where oxygen is not present. Question options: True False

The force between a pair of. 005 charges is 750 N. What is the distance between them?