A critical period begins and ends abruptly

What happens if you double the number of batteries used in a circuit? (Assume all of the batteries A. The current doubles only. o B. The voltage doubles only. C. The current decreases. D The voltage decreases. 0 E. The voltage and current doubles.

If you are looking for an insulator you are looking for a material that will ... A) allow the flow of electrons. B) inhibit the flow of neutrons. C) allow the flow of protons. D) inhibit the flow of electrons.

Isaac Newton believed that God created the heavens and the Earth. True False

By what amount does the sound intensity decrease when the distance to the source doubles?

Objects A and B are both positively charged. Both have a mass of 118 g, but A has twice the charge of B. When A and B are placed 10 cm apart, B experiences an electric force of 0.48 N.

How is mechanical energy calculated? A. by adding potential energy and kinetic energy B. Oby subtracting potential energy from kinetic energy C. by multiplying potential energy and kinetic energy D. by dividing potential energy by kinetic energy

The voltage (or electric potential) of battery determines a. how much net electric charge is in the battery b. how much work the battery can do on an electric charge c. how much electric field is around

The net force on a 3.2kg toy airplane is 7N. What is the accelerator of the airplane?

A person, with a mass of 50.0 kg, stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5.0 m/s 2 . What would be the reading on the scale? (A) 490 N (B) 250 N (C) 740 N (D) 240 N

A student analyzes data of the motion of a planet as it orbits a star that is in deep space. The orbit of the planet is considered to be stable and does not change over time. What can the student say about this initial observation?