Mr. smith is designing a race where velocity will be measured. which course would allow velocity to accurately get a winner?
a. a 5 mile course from the center of town heading north to the outskirts of town
b. a 100 meter swim in a 50 meter pool
c. a 2 mile run around a 400 meter track
d. a 10 mile bike course that zigzags through the mountains and back again

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

What causes the formation of ocean currents?

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?