How many protons are in an element with an atomic number of 8 and a mass number of 18?

Explain how the CS, US, CR, and UR relate to the end result?

If a step-up transformer has a primary coil with 15 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts? A. 8 turns B. 30 turns C. 80 turns D. 160 turns

What could happen in a circuit if the insulator is taken out? A) The Energy stores will be stronger B) The resistor will stop more electrons from flowing C) Electrons will flow out of the pathway D) Electrons with moves faster through the circuit

Which type of energy is stored in a capacitor? electric potential energy chemical energy gravitational energy heat energy

Does the nucleus of an atom have a positive electric charge?

a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high does the rock go?

The slope of a velocity time graph over any interval of time gives the during that interval

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2