Aplastic block placed in oil of density 820.0 kg/m^3 floats. the volume of the block above the oil surface is 2.31 × 10^-4m^3 and the volume below is 3.94 x 10^-4m^3. calculate the density of the plastic.

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Place me with this question is my last question