A box sits on a platform supported by a compressed
spring. The box has a mass of 1.0 kg. When the spring
is released, it does 4.9 J of work on the box, and the
box flies upward. What will be the maximum height
above the platform reached by the box before it
begins to fall?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

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.

What word chemical equation describes cavendish’s experiment with zinc?