A light bulb with a resistance of 2.9 ohms is operated using a 1.5 volt battery. At what rate is electrical energy transformed in the ligthbulb?

1) 0.52W

2) 0.78W

3) 4.4W

4) 6.5W

And Jen the other members of the tennis team are practicing hitting tennis balls are two people identical balls at the same time which ball has the most kinetic energy

Sam drives 8 miles west to the store in 10 min. Then he drives 5 miles west to the bank in 6 min. Finally he drives 2 miles east to school in 3 min. What was Sam's total distance traveled? (Give #, no unit)

The major contribution of the French philosopher Rene Descartes was in the realm of a. physics. b. chemistry. c. astronomy. d. epistemology.

Which would not reduce the amount of green house gasses in the air

A small 25 kilogram canoe is floating downriver at a speed of 1 m/s. What is the canoe's kinetic energy?

If an ant were scaled up to the size of an elephant, the ant would be

A 4.0 kg food pack was dropped from a height of 200 m by a helicopter during flood relief operations. At what velocity will the food pack be falling halfway to the ground?

The sun generates both mechanical and electromagnetic waves. Which statement about those waves is true? The mechanical waves reach Earth, while the electromagnetic waves do not.

A 3-kg mass is in free fall. What is the velocity of the mass after 7 seconds?

How does the role of blood protect the body