Ablock is suspended from a scale and then lowered into a bucket of water. the density of the water is 1 gm/cm3. the initial reading on the scale is 19n and one complete revolution of the scale is a change of 10n. 1) when the block is lowered into the water, the mass of the block:

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

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

Why does a collision with an airbag cause less damage than a collision with a steering wheel