Name the three basic parts of a spiral galaxy and describe what is found in each.

How many gallons are in a cubic gallon?

A fan blade rotates with angular velocity given by ωz (t) = γ - β t2. part a calculate the angular acceleration as a function of time. express your answer in terms of the variables β, γ, and t. αz (t) = submitmy answersgive up part b if γ = 5.

The force produced by gravity on a mass is called

Rocío strikes a 0.058-kg golf ball with a force of 272N and gives it a velocity of 62.0m/s. How long was Ricío club in contact with the ball?

A backyard swimming pool holds 165 cubic yards (yd3) of water. what is the weight of the water in pounds?

Which of the following water samples would be considered acidic

A linearly-polarized electromagnetic (EM) wave has an electric field with amplitude 1000 V/m. You hold a a linear polarizer in front of it and rotate the polarizer so that all of the EM wave is blocked. You then rotate the polarizer 30 degree.

Let y'=4 x. find all values of r such that y = rx^{2} satisfies the differential equation. if there is more than one correct answer, enter your answers as a comma separated list.

What are the starting materials for nuclear fission

Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball?