Light from the sun reaches the earth in 8.3 min. the speed of light is 3.0 x 10^8 m/s. how far is the earth from the sun?

Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy