Since the moon orbits the earth approximately every 27 days, there is a lunar eclipse approximately every 27 days.

True

False

A 261 kg motorcycle moves with a velocity of 4 m/s. What is its kinetic energy? Joules

Explain how reflection and refraction are similar to each other and different from each other.

Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could lead to new experimentation? If there is no air in a basketball, then it is hard to play the game.

Identical twins Kate and Karen are rowing their boat on a hot Summer afternoon when they decide to go for a swim. Kate, whose mass is 45 kilograms, jumps off the front of the boat at a speed of 3.00 m/sec. Karen jumps off the back at a speed of 4.

A single mass (m1 = 4.4 kg) hangs from a spring in a motionless elevator. The spring constant is k = 275 N/m. Now, three masses (m1 = 4.4 kg, m2 = 13.2 kg and m3 = 8.8) hang from three identical springs in a motionless elevator.

5. Consider two glasses, one filled with water and the other half-full, with the water in the two glasses being at the same temperature.

1. Why is the theory that all things are made up of atoms a theory and not a fact?

A 600 N astronaut travels to an asteroid where the gravitational force is one-hundredth that of Earth. What is the astronaut's weight on the asteroid?

The analysis of data leads to what

Light takes 1.28 s to travel from the moon to earth. what is the distance between them?