A body of density 8x10³kg/s³ weight 160N in air the apparent weight of the body, when complente inmessed in water of density 10³ Kgm³ is ? ​

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.