The unit for momentum is which of the following?

a. N

b. kg-N

c. kg-m/s

d. All of these are units for momentum.

Explain how we use work and energy to complete everyday tasks.

According to Kepler's law of harmonies, which of these planets takes the longest to orbit the Sun?

Physical properties are Question 2 options: A. those properties which include combustibility, flammability, and reactivity B. those properties which require a chemical reaction to be observed C. those properties that cannot be changed D.

The two main physical factors that influence the speed of a mechanical wave are (aka science question)

The current in a hair dryer measures 17 amps. The resistance of the hair dryer is 14 ohms. What is the voltage?

What do orbiting satellites and the orbit of the moon around the Earth have in common? A. Parallel-force motion B. Central-force motion C. Velocity D. Friction

Which air mass provides the moisture that produces the clouds and precipitation?

What is a relatively small rocky body that travels through out space

Which is true about the pressure of a fluid at a specific depth? It varies with the total volume of the fluid. It depends only on the type of fluid. It is exerted only in the downward direction. It depends on the surface area of the fluid.

The sum of potential and kinetic energies in the particles of a substance is called energy. True or False