An 80.0 kg man is riding in a car that is moving at 25.0 m/s until it strikes a large tree and comes to rest after it travels for 0.800 m. What was the force that the man experienced?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. when you increase the plate separation, what happens to the following quantities?

If you visited mount shasta city (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27°c (81°f), what would be the air temperature at the summit of mount shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate?