One of the primary scientific objectives of the apollo program was the return of lunar material. why was this so important? what can be learned from samples? are they still of value now?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

How many neutrons does plutonium -196 with an atomic number of 78.

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.