If the nucleus of an atom contains 12 protons how many electrons are there in a neutral atom why

What will occur when the trough of Wave A overlaps the trough of Wave B? A. Destructive interference will occur, causing the new wave to have more energy than Wave A or Wave B. B.

You are given two metal spheres mounted on portable insu- lating supports. Find a way to give them equal and opposite charges. You may use a glass rod rubbed with silk but may not touch it to the spheres.

Question 4 Color, shape, texture, and size are properties of matter. liquid physical solid chemical

A car with mass 450 kg has a kinetic energy of 16,256 j. What is the speed of the car?

What is a depletion layer

In 1991 four English teenagers built an eletric car that could attain a speed of 30.0m/s. Suppose it takes 8.0s for this car to accelerate from 18.0m/s to 30.0m/s. What is the magnitude of the car's acceleration?

What must you do if you plan to exercise everyday

Determine the speed of sound in air at 700 K. Also determine the Mach number of an aircraft moving in the air at a velocity of 340 m/s. The gas constant of air is R = 0.287 kJ/kg·K. Its specific heat ratio at room temperature is k = 1.4.

If the emf of the battery is 12 v and each resistance is 4 ω, what power is consumed by bulb b?

If you want to conduct an electrical current, which situation would produce a solution capable of this? A) Dissolving water in oil. B) Dissolving sugar in water. C) Dissolving solid NaBr in oil. D) Dissolving solid NaF in water.