Speed greater than the speed of ___________ is known as supersonic speed.

What is the speed?

Define speed.

Explain how Corpuscular theory predicts the speed of light in a medium, say, water, to be greater than the speed of light in vacuum. Is the prediction confirmed by experimental determination of the speed of light in water ? If not, which alternative picture of light is consistent with experiment?

Can the speed of a body be negative?

Speed is a ______ quantity.

As the speed of an eletric fan ncreases, current