An electric car runs off a battery which drives the front wheels. The car’s rear wheels drive a generator which recharges the battery.

A. first kind
B. second kind


A. first kind

Physics & Space Science

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Consider the interference colors in a film of gasoline on a wet street. The water provides a

A) means of spreading the gasoline into a thin film. B) means of slowing the rapid evaporation of gasoline. C) chemical bond with the gasoline. D) second reflecting surface. E) all of the above

Physics & Space Science

As the intensity of light is increased in a photoelectric effect experiment, the energy of the emitted electrons increases

Indicate whether the statement is true or false

Physics & Space Science

What is the longest-lasting internal heat source responsible for geological activity?

a. accretion b. radioactive decay c. sunlight

Physics & Space Science

What do astronomers mean by a constellation?

A) A constellation is a region in the sky as seen from Earth. B) A constellation is a group of stars related through an ancient story. C) A constellation is any random grouping of stars in the sky. D) A constellation is a group of stars that are all located in about the same place in space.

Physics & Space Science