Requires 6.0 J of work is needed to push a 2.0-kg object from point A to point B of the frictionless ramp as shown in the figure. What is the length s of the ramp from A to B?
What will be an ideal response?
Answer: 0.61 m
Physics & Space Science
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The surface of the sun seems to be about 10,000ºF. What would you guess the rate of heat emission from the sun to be for an area of the sun that measures 1 ft^2?
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
What kind of particle carries the forces?
A.) Quark. B.) Lepton. C.) Electromagnetic. D.) Antiquark. E.) Boson.
Physics & Space Science
According to the sign conventions in the book, which objects have a negative focal length?
A. Nothing has a negative focal length B. Diverging lens and converging mirror C. Diverging lens and diverging mirror D. Converging lens and diverging mirror
Physics & Space Science
The "father" of atomic materialism was
A) Plato. B) Ptolemy. C) Kepler. D) Democritus. E) Newton.
Physics & Space Science