A 20.0 kg rock is sliding on a rough, horizontal surface at 8 m/s and eventually stops due to friction. The coefficient of kinetic friction between the rock and the surface is 0.2 what average thermal power is produced as the rock stops?

A. 32.0
B. 78.4
C. 128.0
D. 313.6

The earths atmosphere is made up of nitrogen and oxygensolids turning into gases is called sublimation.

What does the start look like

Ibelieve the answer you're looking for is

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached