Which of the following is not a type of galaxy?

a. irregular

b. spiral

c. elliptical

d. oval

The proton from the decay of the neutron is moving at 0.75 c. An observer on the proton measures the radius of the electron as 10 fermi. A Fermi is 10-15 m. What is the radius of the electron measured by someone on the electron?

Describe the relationship between the kinetic energy of the atoms or molecules composing a substance and the temperature of that substance.

What type of change is needed to break down a compound

A sailboat of mass m is moving with a momentum p. how would you represent its kinetic energy in terms of these two quantities?

Who Proposed that new cells are formed from other cells.

Restate newton's first law in terms of acceleratin

What step precedes the onset of hydrogen fusion in a star?

Manuel is holding a 5kg box how much force is he exerting on it

The object on the left is a discus, a piece of sports equipment made of a metal core, a plastic inner rim, and a metal outer rim. The object on the right is a flying disc, a piece of sports equipment made of plastic.

If you are sitting in your seat how are the forces acting on you?