One plane took 3 hours to travel 240 miles going west in 2 hours to return home going east what was the average speed for the entire trip

During bicycling, a 70 kg person's body produces energy at a rate of about 500 W due to metabolism, 80% of which is converted to heat.

How can a global dependence on fossil fuels have associated social costs?

Mac and Tosh stand 12 meters apart and demonstrate the motion of a transverse wave on a slinky. The wave can be described as having a vertical distance of 1.2 meters from a trough to a crest, a frequency of 2.7 Hz, and a horizontal distance of 0.

What determines the amount of current which will flow through a battery while it is being charged by a constant voltage source?

What will happen to a solid object made from matter with a greater density than water when it is dropped into water

Which of the following decreases the dissolving rate of a solid in water?

Why might a plant that normally grows in one environment not grow well in a different environment?

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Which rock is made mostly of dark, fine-grained silicate minerals, chiefly plagioclase feldspar and pyroxene, and magnetite?

What does the atomic number tell us about an atom of a certain element?