Stephanie did 55 Joules of work when she lifted her cat 5 meters up a flight of stairs. How much force did she use to lift her cat

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

Avoltaic cell converts chemical energy to

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.