Two bowling balls each have a mass of 8 kg. If they are 2 m apart, what is the gravitational force between them? G = 6.67 * 10^-11 N⋅ (m/kg) ^2

A. 3.21 10^-8 N

B. 2.14 10^-9 N

C. 2.68 10^-10 N

D. 1.07 10^-9 N

Which of these convert electric energy into kinetic energy? electromagnets solar panels electric motors steam engines

A secondary battery is a battery that A. has been repaired following damage. B. can only be discharged once. C. is supplied with a fuel. D. can be discharged and recharged.

How did Thompson's model differ from Dalton's model

Describe why the speeds of light and sound are affected oppositely by media.

How does Newton's second law apply to the egg drop?

During which period did the first large herbivores and carnivores appear?

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...