By the time she managed/had managed to open the door, the postman already went/had already gone.

You can painlessly wade into a pool, but doing a belly flop off of the high diving board hurts because of

Which of the following would be affected if a soaring eagle changed direction but remained at a constant speed? A. acceleration only B. velocity only C. acceleration and velocity D. neither acceleration or velocity

does the bowling ball have more potential energy or kinetic energetic as it's half way through its fall

An alternating current is supplied to an electronic component with a warning that the voltage across it should never exceed What is the highest rms voltage that can be supplied to this component while staying below the voltage limit in the warning?

Por que el alcohol medicinal se evapora rapido?

A crew member is walking on a tugboat that is pulling a barge. The tugboat is moving at a constant speed upstream in a river that has a constant downstream current. The velocity of the crew member with respect to the tugboat is v₁.

During a double-slit experiment, you have the option of using either a green laser or a blue laser for your light source.

Which is not a formula for a diatomic molecule

A man drops a rock into a well. (a) the man hears the sound of the splash 2.90 s after he releases the rock from rest. the speed of sound in air (at the ambient temperature) is 336 m/s. how far below the top of the well is the surface of the water

By the time she managed/had managed to open the door, the postman already went/had already gone.