Jane traveled from Idaho Falls to Burley (120 miles). She then traveled back to Idaho Falls. If the time for her round trip was 4 hours, what was her average speed? help fast pl

In an experiment, how can i change human errors? be specific.

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

Which statements did both aristotle and ptolemy assume? check all that apply.