If you swing a bucket of water fast enough in a vertical circle, at the highest point the water does not spill out. This happens because an outward force balances the pull of Earth on the water
A) True
B) False
B
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Consider the ratio of the surface area of a cylinder to its volume. Assume the height is equal to its diameter. What happens to this ratio if the diameter of the cylinder decreases by a factor of 2?
A. Remains the same B. Decreases by a factor of 2 C. Increases by a factor of 2 D. Decreases by a factor of 4 E. Increases by a factor of 4
The Doppler Effect is a phenomenon that allows one to measure an object's:
A) temperature. B) radius. C) radial motion. D) tangential motion. E) chemical composition.
A soap bubble, when illuminated with light of frequency 5.11 × 1014 Hz, appears to be especially reflective. If it is surrounded by air and if its index of refraction is 1.35,
what is the thinnest thickness the soap film can be? (c = 3.00 × 108 m/s)
Define the term viscosity.
What will be an ideal response?