What heats up hot chocolate faster? milk or water?

In what direction does the medium move relative to the direction of the wave? explain.

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.