Which is 20 miles per hour north an example of?

A. acceleration

B. Direction

C. Speed

D. Velocity

If you want to double the kinetic energy of a gas molecule, by what factor must you increase its momentum? A) 16 B) √2 C) 2 D) 2√2 E) 4

In an evaporation of water experiment, the initial mass of water in a beaker was 10.5775 + / - 0.0002 g. After some time, the mass of the water in the beaker was 10.3005 + / - 0.0002 g.

The wavelength of some red light is 700.5 nm. what is the frequency of this red light?

Which constellation is highest in the sky during November

Why do the positions of stars change in the universe?

Use the graph of distance versus time to complete the sentences. The cars on the higher track travel the cars on the lower track, in the same time. This means that the cars on the higher track have a average speed than those on the lower track.

List at least 3 physical properties that the professor describes of his newly discovered flubber

7. Who is Mara Grunbaum?

How much work is done in holding a 10 newton sack of potatoes while waiting in line at the grocery store for 3 minutes.

Define light year and explain how and why light years are used to measure distances in the universe