Light sources send out light waves that.

A. travel in one direction.

B. travel at right angles to the source

C. travel every direction except down

D. travel in all directions

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

What part of the ear is names after tools, such as the hammer and the anvil?