As light passes from air to water, some light is reflected from its surface. The angle of reflection is

A) less than the angle of refraction

B) greater than the angle of refraction

C) equal to the angle of refraction

Two force always involved in using a machine are

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula:) 7.5 kg 15 kg 60 kg 120 kg

What does sustainability mean with regard to the environment

In witch situation would you see a partial lunar eclipse?

How do physical properties of nonmetals differ from the physical properties of metals?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?