(b) The efficiency of the pump which operates the fountain is 70%. Calculate the power supplied to the pump.

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?