A delivery man pushes the button to ring the doorbell. Which of the following forms of energy is not involved in this process

You cannot adjust the volume of sound that has been recorded on a file. a. True b. False

A spotlight shines on an area 20.0 m away with an illumination of 25.0 Ix. What is the luminous flux emitted by the spotlight? * Answers - 15,400 lm - 6,280 lm - 126,000 lm - 102,000 Im

Which of the following is true about cells? A. Cells have specialized components that perform different, specific functions. B. A cell's components are all identical and perform the same function. C.

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 2.38 m. If the girl's angular displacement is 2.94 rad, how far is she from the center of the merry-go-round? Answer in units of m.

What temperature does nuclear fusion begin?

Charlotte, a 60.0-kg skin diver, shoots a 2.0-kg spear with a speed of 15 m/s at a fish who darts quickly away without getting hit.

All objects are attracted to each other by the force of a. weight. b. mass. c. inertia. d. gravity.

landslides and mudslides caused by lava flows are ___ deadly than the lava flow itself. a. more b. less

3. How is electric potential different than electric potential energy?

Ethan pushes a wooden box across a carpet floor then he pushes the same box across a smooth marble floor why does Ethan find it easier to push the box on the marble floor than carpet floor