A rock falls to the ground with a force of 300N and air resistance pushes back up on the rock with a force of 45N. Which is true of the rock?

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

True or false graphs must include scales that increase by the same amount

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.