an athlete sprints from 150 m south of the finish line to 65 m south of the finish line in 5.0s what is his average velocity

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?