A hair dryer uses 72,000 joules of energy in 60 seconds what is the power of this hair dryer

A ball experiences a change in momentum of 24 kg per m/s. what is the impulse acting on the ball?

A moving object is in equilibrium. Which best describes the motion of the object if no forces change?

Beats are the difference in (a) Frequency (b) Amplitude (c) Intensity (d) None

Wo objects attract each other with a gravitational force of 50 newtons from a given distance. If the distance between the two objects is increased by 5 times, what will be the changed force of attraction between them?

How do you make a lightsaber?

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