The study of celestial objects in the universe describes which field of physical science?

a. Physics

b. Chemistry

c. Astronomy

d. None of the above User: Scientific knowledge is

Compare the loudness of sound waves that are in phase when they interfere with the loudness of sound waves that are out of phase when they interfere

A steel cylinder has a length of 2.16 in, a radius of 0.22 in, anda mass of 41 g. what is the density of the steel in g/cm^3?

2. A biologist measures the speed of a swimming amoeba. The amoeba covers a distance of 17.36 microns in 30 seconds.

What are the factors that affect terminal velocity?

A unit that measures power or how much electricity is being used by a device

Consider two rocks with masses of 1 and ten kilograms. What is the relation between their inertia's? Between their masses? Between their weights on earth?

If a cart of 4 kg mass has a force of 8 newtons exerted on it, what is its acceleration?

Why does the liquid thermometer work?

What energy do electrons have when they are farther away from the nucleus?

200 525000 lololo Boat A is 10 km north of a port. Boat B is 5 km east of the same port. Boat A sails in a straight line towards boat B. Work out the bearing on which boat A sails.