Atrain travels 400 km in 2hrs. what is its velocity in m/s?

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

How is zig zagging a form of acceleration?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)