Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinetic energy does he have after going down the hill?

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99 percent of the earth's atmosphere by mass is made up of only elements. These elements are A) Carbon and oxygen B) Nitrogen and oxygen C) Hydrogen and oxygen D) Helium and hydrogen

The ability to regulate the amount of charge flowing in a circuit is A. alternating current. B. direct current. C. resistance. D. voltage.

When you are passing a large truck, you need to make sure you can see a lot of pavement in front of the truck before you pull back in front of it?

A box 5 m long, 2 m wide, and 2 m high applies 12 Pa of pressure to the table that it is resting on. How much force does the box exert?

How long does it take to fall from 5000 feet?

An 8.5 l tire is filled with 0.55 moles of gas at a temperature of 305 k. what is the pressure of the gas in the tire?

Total internal reflection occurs only if

A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. the electron and neutrino are emitted at right angles and have momenta of 9.80 ✕ 10-23 kg·m/s, and 5.70 ✕ 10-23 kg·m/s, respectively.

A child is sliding down a slide at the playground. Is the mechanical energy conserved? Why or why not? The mechanical energy is conserved. There is as much KE at the end as there was PE at the beginning. The mechanical energy isn't conserved.

Which term refers to the rate at which the velocity of a moving object changes? A. acceleration B. displacement C. resonance D. turbulance