Which substance has the least density?

A) an iceberg

B) gallon of water

C) a block of aluminum

D) small piece of lead

A scuba diver sees light reflected from the water's surface. show answer No Attempt If the index of refraction for air is 1.00 and the index of refraction for water is 1.

A person pushes a refrigerator across a horizontal floor. The mass of the refrigerator is 110 kg, the coefficient of static friction between the refrigerator and the floor is 0.

In a certain lightning flash, the potential difference between a cloud and the ground is! 1.0 x 109 V and the quantity of charge transferred is 30 C.

A boy throws a ball straight up in the air with an initial velocity of V+3 mls. The ball reaches a maximum height and starts towards earth. The boy catches the ball at the same height that it left his hand. How long is the ball in the air? 6. a.

A type of fault where the hanging wall slides upward

A rock is dropped at the same instant that a ball at the same height is thrown horizontally. which will will have the greater speed when it reaches the ground? ball rock both will reach at the same time impossible to answer

A cold beer initially at 35ºF warms up to 40ºF in 3 min while sitting in a room of temperature 70ºF. How warm will the beer be if left out for 20 min

What is the disadvantage of the parallax method, especially for studying distant parts of the Galaxy?

Which describes why the sun is a renewable resource? The sun creates biomass. The sun is continuously releasing energy. The sun does not cause pollution.

Which statement best describes how waves carry energy? A. Energy moves from one place to another through the wave. B. Energy increases as it moves through the wave. C. Energy is completely consumed by the beginning of the wave. D.