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A girl jumps forward off of her skateboard. The skateboard weighs much less than the girl. [Friction in the wheels and between the wheels and the ground is so small that you don't need to consider it.

Why does the number of cooling fins effect the rate of energy transfer from a radiator?

What needs to accomplished in the areas of tissue and organ bioengineering

The moons gravity is only one sixth that of Earths. Explain how the weight and mass of an object differ between the two locations

When a surfer rides an ocean wave on her surfboard, she is actually riding on A. a crest that is toppling over. B. a trough of the wave. C. the rest position of the wave. D. a region of rarefaction.

Technician A says Nylock nuts distort when tightened and, since the insert is nylon, they are re-useable. Technician B says self-locking nuts are very resistant to loosening from engine and vehicle vibrations.

Communicate the results

What is the function of the muscles around the lens in the human eye

How does planting trees in urban areas improve air quality and reduce energy use?

A student sitting in a merry-go-round has an acceleration of 3.6 m/s2. If the tangential velocity of the student is 2.5 m/s, what is the distance of the student from the center of the merry-go-round?