Whish is a drawback of solar energy? a. it is a non renewable source b. it depends on the climate c. it is difficult to use for electricity d. it can be a source of water pollution

What do you think car designers do if the damage caused by a crash test is too severe?

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current

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.