From the earth, the moon subtends an angle of approximately 0.5°. If the distance to the moon is approximately 240,000 miles, find an approximation for the diameter of the moon accurate to the nearest hundred miles.

If a wave has a speed of 200 m/s and a wavelength of 20 meters, what is the frequency?

The property of water that contributes to its ability to stick to certain surfaces is called

All ions are atoms with a positive charge. negative charge. charge. neutral charge. I know its definitely not D.

Which of the gas giants has the largest icy/rocky core compared to its overall size?

Negative changes in family life always leads to abuse. True or False

What is the word for the horizontal distance a projectile travels

Which best compares freezing and condensation? a. Both involve changes between liquids and gases. b. Both involve changes between gases and solids. c. Both involve the release of heat. d. Both involve the absorption of heat.

Suppose an endothermic reaction has a positive change in entropy greater than the heat absorbed. What can be said about the spontaneity of this reaction?

What are two ways that convention currents in the ocean distribute the suns energy?

An astronaut on a strange planet has a mass of 80 kg and a weight of 240 n. what is the value of the acceleration due to gravity on this planet?