A calculus book weighing 20 N rests on the floor of a classroom. The reaction to the force of the floor on the book is a force of

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How to find final velocity given mass and initial velocity only?

Must two quantities have the same dimensions if you are subtracting them?

How much power is expended on a 20-N rock that you lift 1.5 meters up in 10 seconds? A. 3 Joules B. 30 Joules C. 3 Watts D. 30 Watts

The electric field in a certain region of Earth's atmosphere is directed vertically down. At an altitude of 439 m the field has magnitude 50.7 N/C; at an altitude of 361 m, the magnitude is 84.3 N/C.

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2. An airplane travels 335 miles in 45 minutes. How fast does it travel? How fast is that in km/hr?

A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute system and the drag force exerted on the system are equal in magnitude.

Consider the expression below. Assume m is an integer. 6m (2m + 18) Enter an expression in the box that uses the variable m and makes the equation true. (Simplify your answer completely. If no expression exists, enter DNE.)

What could be put into the center section of this Venn diagram?