What best describe the location of an atom's electrons

suppose that a block is pulled 16 meters across a floor. what amount of work is done if the force used to drag the block is 22n

Which best describes the ages of the rocks on opposite sides of and the same distance from, A Seafloor spreading center? A. The rocks are the same age B. There is no way to compare the two ages C. The rocks closest to the continent are younger

The atomic number of uranium-235 is 92, its half-life is 704 million years and the radioactive decay of l kg of 235U releases 6.7X10^13 J. Generally, radioactive material is considered safe after 10 half-lives.

Complete the paragraph to compare Uranus and Neptune. Uranus and Neptune are called "ice giants" because they experience very low temperatures.

A swimming pool is 25.0 ft. long, 18.5 ft. wide, and 9.0 ft. deep. When filled, the water level is 7.0 inches from the top. Disinfectant instructions say to add 18 mg of Cl per liter of water. How many pounds of chlorine are added to the pool?

A chemical bond formed when Adams share three pairs of electrons is A. an ionic bond B. a single bond C. a double bond D. a Triple bond

A 1100 kg car rounds a circular turn of radius 24.6 m. Of the road is flat and the coefficient of static friction between the tires and the road is 0.59, how fast can the car go without skidding

What is the momentum of a 15 kg tire rolling down a hill at 3 m/s? 5 kg • m/s 18 kg • m/s 45 kg • m/s 60 kg • m/s

Which of Newton's laws, when combined algebraically with his law of universal gravitation, can be used to calculate Earth's mass? A) first B) second C) third

Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not? A. Helium has no mass, but air does. B. Helium increases the balloon's mass more than air. C.