A train travels 62 kilometers in 1 hours, and then 79 kilometers in 1 hours. What is its average speed?

Which is the one factor that adds to the greenhouse effect? 1. a decrease in the amount of dust in the atmosphere 2. a decrease in the amount of water on Earth's surface 3. an increase in gasses that absorb heat 4.

Two objects attract each other gravitationally with a force of 3.0*10-10N when they are 0.45m apart. Their total mass is 4.0kg. find the individual masses

The people in a location in Florida have reduced their water usage drastically since the last few months. People are taking shorter showers, turning off lawn sprinklers, and reusing water left over from cooking.

Describe 5 way to can set the stage for effectively gathering patient information

What type of air mass usuallu contains the most moisture

Two kids are on a merry-go-round that is turning at a constant rate. ariel is near the outer edge, and bob is closer to the center. ariel has answer (smaller, the same, or greater angular speed?

Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury. Name three uses for mercury.

Ten seconds after starting from rest, a car is moving at 40 m/s. what is the car's acceleration in meters per second per second?

A student builds a simple circuit and a magnet under one of the circuit wires. When the switch is closed charges flow int the circuit and the wire moves

Cite an example in which a force is exerted on an object without doing work on the object