Why is it sensible on diagrams to represent a force by an arrow?

Providing that it does not collide with another object, what is the most likely reason that an object moving through space would change velocity?

Why might two places at the same distance from the equator have different climates

A jet fighter performs a horizontal circular turn of radius 1410. The jet is travelling at a constant speed of 235 m/s and has mass 14332. What is the magnitude of the centripetal force experienced by the pilot?

The earth has biogeochemical cycles that recycle life materials and are essential to the

Temperature measures: A. how much kinetic energy molecules have. B. the potential energy of molecules. C. how heat flows. D. the specific heat of a substance.

What are the requirements of a practical fuel

A woman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. The book has a mass of m = 1.7 kg and the coefficient of static friction between her hand and the book is μs = 0.52.

Tony has a mass of 50 kg, and his friend Sam has a mass of 45 kg. Assume that both friends push off on their rollerblades with the same force. Explain which boy will have greater acceleration.

Which part of your ear do sound waves enter through?

Why do scientist use different types of models to represent compounds