If the average speed of a car is 45 km/hr, how far can it travel in 40 minutes?

Until the late 1800s, which of the following sources was used to heat most homes? fossil fuels electricity biomass solar energy

A total solar eclipse is visible from a. all over Earth. b. only within the moon's umbra. c. only within the moon's penumbra. d. only the dark side of Earth.

How do positive and negative acceleration differ

The wavelength of light visible to the human eye is on the order of 5 x 10-7 m. if the speed of light in air is 3 x 108 m/s, find the frequency of the lightwave.

Stars are able to form from clouds of dust and gas because of. A) The Law of Entropy. B) The Law of Propulsion. C) The Law of Universal Gravitation. D) The Law of Stellar Evolution

A hot air ballon was a mass of 400 kilograms moves across the sky with 3200 joules of kinetic energy. the velocity of the balloon is

What Is a mineral made of oxidized hydrogen

If you were to go to space, and took your helmet of the suit off while your out side of the rocket, what would happen?

In Step 5, you will calculate H+/OH - ratios for more extreme pH solutions. Find the concentration of H + ions to OH - ions listed in Table B of your Student Guide for a solution at a pH = 2.

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container. In what phase of matter are the molecules in the container?