If the distance around a circular track is 2.0km and if runners run 3 laps, what is the distance travelled? a) 2 km
b) 0km
c) 3 km
d) 6 km

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than