A 500-watt vacuum cleaner is plugged into a 120-volt outlet and used for 30 minutes. How much current runs through the vacuum?

A projectile starts from rest and moves 4.8 m down a frictionless ramp inclined at 14◦ with the horizontal. The acceleration of gravity is 9.8 m/s 2. With what speed will it leave the ramp? Answer in units of m/s.

Two stones are thrown vertically upward from the ground, one with three times the initial speed of the other. Assume free fall. Part A If the faster stone takes 12.0 s to return to the ground, how long will it take the slower stone to return

A boy lifts a 30N dragon 2 meters above the ground. How much work did the boy do in the dragon? What is the work?

The angular momentum of a freely rotating disk around its center is ldisk. you toss a heavy block horizontally onto the disk along the direction shown.

In a chemical equation, the chemicals that react are considered what

You pull a simple pendulum of length 0.225m to the side through an angle of 3.50∘ and release it. Part A How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be 9.80 m/s^2.

What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10m

What is the force on a 1-kg ball that is falling freely due to the pull of gravity

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays