On a Hertzsprung-Russell diagram, where would you find stars that are cool and luminous?
A) upper right B) lower right C) upper left D) lower left
A
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A fountain sends a stream of water 20.0 m up into the air. If the base of the stream is 10.0 cm in diameter, what power is required to send the water to this height?
Angular and Linear Quantities: A car is traveling along a freeway at 65 mph. What is the linear speed, relative to the highway, of each of the following points on one of its tires?(a) the highest point on the tire(b) the lowest point on a tire(c) the center of the tire
What will be an ideal response?
LR Circuits: A resistor and an inductor are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the resistor is
A. greater than the battery's terminal voltage. B. equal to the battery's terminal voltage. C. less than the battery's terminal voltage, but not zero. D. zero. E. equal to the voltage across the inductor.
Which of these orderings of the epochs is correct?
A) nuclear, stellar, galactic B) quark, lepton, atomic C) Planck, lepton, quark D) nuclear, lepton, quark E) Planck, stellar, galactic