Sasha lifts a couch 8.2 meters from the ground floor of her house to the attic. If the couch has a mass of 120 kg, what is the Ep gained by the couch l? Include units.

Which of the following is an example of units for speed

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island