What happens when 2 air masses meet

What are the 3 fossil fuels, and how are fossil fuels made?

A 40 kg mass is dropped from a tall rooftop and accelerates at 9.8 m/s2 . What is the weight of the dropped object? A) 392 N B) 9.8 N C) 40 N D) 0 N

Use Hooke's Law for this (F = - k s) : Where F is the spring's restoring force; k is the spring constant; and s is the stretch. The negative sign means the spring's restoring force is opposite the stretch direction.

Here's a great everyday use of the physics described in this chapter. If you are trying to get ketchup out of the bottle, the best way to do it is to turn the bottle upside down and give the bottle a sharp upward smack, forcing the bottle rapidly

What would be the most accurate way to describe resistance? It is an object's ability to accept the flow of current and is measured in ohms. It is an object's ability to accept the flow of electrons and is measured in volts.

Which of the following is the best sign that cooking pancake batter causes a chemical change

The electric field near the earth's surface has magnitude of about 150n/c. what is the acceleration experienced by an electron near the surface of the earth? express your answer to two significant figures and include the appropriate units.

Minerals are considered to be Answer made out of rocks the building blocks of rocks extremely rare and valuable difficult to find

the solubility product of lead fluoride is 3.6 x 10-8. what is its solubility in 0.10M NaF solution, in grams per liter

A passenger on a bus moving east sees a man standing on a curb. from the passenger's perspective, the man appears to