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Sublimation is a change of phase from solid to gas without

Sound travels faster when the air is

A distant palm tree on a hot dry day that often appears to be reflected from water is

In a common dc circuit, electrons typically move at the speed of

As more lamps are put into a series circuit, the overall current in the power source

To say that electric charge is conserved means that no case has ever been found where

The photo on page 193 shows Lillian’s hair standing out when her hand is on a charged Van de Graaff generator, which illustrates

Wood is a poor conductor

A boat at anchor is rocked by waves whose crests are 40 m apart and with wave speed 10 m/s. These waves reach the boat once every

A rubber rod rubbed with fur becomes