Adouble threaded right handed worm gear transmits 15 hp at 1150 rpm. the pitch of the worm is 0.75 inches and pitch diameter of 3 inches. the pressure angle is 14 1/2° and the coefficient of friction is 0.12. find the worm gear efficiency.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (