A car traveling 25 m/s to the north collides with a car traveling 15 m/s to the south. Each car has a mass of 1100 kg. If the system is defined as the two cars, what is the change in momentum of the system due to the collision?

Why does the fed rarely change the reserve requirement

How does genetic drift affect small populations differently than large populations?

True or False. The voltage of the electric current produced by a generating plant is lower than the voltage of the current carried by transmission lines.

A person walks along a road 2 miles and rests. Then taking another road, he travels 3 miles; and switching to a dirt path, he walks 2 miles before arriving at his destination. The distance the person has traveled is 7 miles. True False

The molecules of a substance become more closely packed and move more quickly. What is happening to the substance? The animal derives energy from its food to maintain its body temperature. State the energy change that takes place

How far does a wave travel in three cycles ?

Why is a noble gas different from other elements

Describe a skydivers jump from the airplane to the ground

This is a unit of electrical resistance

If a tennis ball has a velocity of 18 m/s and a momentum of 1.06 kg • m/s, what is the mass of the tennis ball in grams?