Predict the energy transformation that occurs when Carson sands a piece of wood with sandpaper. A. chemical energy to heat energy

B. heat energy to mechanical energy

C. mechanical energy to heat energy

D. mechanical energy to chemical energy

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?