If a car engine burns an equivalent of 20,000 J of energy and attends a kinetic energy of 5000 J how much energy is displaced in the form of heat

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius