What are the four fundamental forces

Two students are on a balcony 19.6 m above the street. one student throws a ball vertically downward at 14.7 m:ds. at the same instant, the other student throws a ball vertically upward at the samr speed.

The top speed you will ever need to go in a parking lot is_ A. 20 mph 6. 10 mph C. 1 mph D. 15 mph

Explain how resource availability can affect the stability of a society

Which object would have more potential energy, a bowling ball stored on a high shelf, or a base ball on the same shelf? Why? Which one would you rather have fall on your head?

A box is partially filled with sand. The length of the box is 8 mm. The width of the box is 17 mm. If the volume of the sand is decreasing at a rate of 562 cubic mm per minute, what is the rate, in mm per minute, at which the height of the sand is

The amount or the strength of force is called its

An airplane in flight has a pressure difference between the lower and upper wing surface; this provides an upward force that balances the weight of the plane.

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Why does momentum have a direction?

What is the difference between weight and mass?