Which layer of the sun can be seen during a solar eclipse and contains jets of rapidly moving gas called spicules?
a. core
b. corona
c. photosphere
d. chromosphere

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?