Asmall piece of steel is tied to a block of wood. when the wood is placed in a tub of water with the steel on top, half of the block is submerged. if the block is inverted so that the steel is underwater, does the amount of the block submerged increase, decrease, or remain the same? (a) decreases (b) increases (c)remains the samewhat happens to the water level in the tub when the block is inverted? (a) remains the same (b)increases (c)decreases

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

On average 8 bananas make up one pound. the price is four pounds for 5.00. you must buy 25 bananas. what is your cost?