Does light speed up or slow down when it travels from air to liquid

What happens when buoyant mantle material gets near Earth's surface?

A box has a mass of 5.8kg. The box is lifted from the garage floor and placed on a shelf 2.5m off the ground. How much gravitational potential energy does the box have before it falls off the shelf? A. 142.1 m/s B. 14.5 J C. 142.1 J D. 18.13 J

What is floatation?

Which statement is correct? A. Light, in a vacuum, travels at the same speed even if the light source is moving. B. Light, given off from a moving source will travel faster in a vacuum. C.

A green puck with mass 10 kg strikes a stationary yellow puck with mass 10 kg. The green puck was moving at a velocity of 7i - 6j m/s, and its center was at (1, 2) when it hit the yellow puck.

Sonja is riding her bike. She takes her feet off the pedals to freewheel down a hill. Describe the energy transfers that take place as the bike travels down the hill. Ignore friction and air resistance.

Three forces that act on a roller coaster: Gravity Air Resistance Inertia Am I right?

Electrical energy is the most useful form of energy. Is this statement a fact or an opinion? Explain.

Describe how private citizens have a voice in which projects the federal government will fund

What two factors cause change in seasons