Which statements about inertia and centripetal force are correct? check all that apply. inertia is always present. inertia causes objects to continue moving in circles. centripetal force is always present. centripetal force pulls objects toward the center of a circle. inertia and centripetal force cause circular motion.

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

How many atoms of nitrogen are in the chemical formula ni(w on