How many electrons are in a nickel ion that has an atomic number of 28 and a positive charge of 2?

What happens to the mass and volume if density increases

What are the two factors that determine the strength of the force of friction between two sliding objects?

Which of the following does NOT support the geologic evidence used to date the earth? Fossils found in rocks. The layering in rock formations. Comparing the anatomy of organisms. The radioactive dating of rocks.

The only force acting on a 2.0 kg canister that is moving in an xy plane has a magnitude of 6.0 N. The canister initially has a velocity of 2.2 m/s in the positive x direction, and some time later has a velocity of 7.

In the past, it was common for waste rocks from mines to be dumped in piles, known as tailings piles. These piles were sometimes located near bodies of moving water. how likely are tailings piles affect the water's natural processes? A.

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast

What are the strengths and limitations of the doppler method?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?