The roofs of homes fly off in a tornado because

Non-metals are both poor heat conductors and poor electrical conductors because of the

If you use 50 Joules of work to push 2 Coulombs of charge into an electric field, its voltage with respect to its starting position is

Since the density of sea water is greater than the density of fresh water, the pressure is most at a depth of 3 m in

A 100 kg mass has a density of 400 kg/m3. Its volume is

The roof of a convertible expands outward when going down the highway because

If the mass of an object doubled while its volume is cut in half, its density would

Materials generally stay cooler when light is

It would be harder to drink your Diet Dew through a straw if you were 

If I increase the decibel level of a sound source from 30 to 50 decibels, its intensity increases by a factor of