Consider a uniform hoop of radius R and mass M rolling without slipping. Which is larger, its translational kinetic energy or its rotational kinetic energy?
A) Translational kinetic energy is larger.
B) Rotational kinetic energy is larger.
C) Both are equal.
D) You need to know the speed of the hoop to tell.
C
Physics & Space Science
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A puddle holds 160.0 g of water. If 0.5 g of water evaporates from the surface, what is the approximate temperature change of the remaining water? (Lv = 540 cal/g)
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Contrast observations of ionized and neutral hydrogen in space
What will be an ideal response?
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A sinusoidally varying potential difference has amplitude 170 V. What is its average value?
1.170 V 2.120 V 3.0 4.-120 V 5.-170 V
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The intensity of unpolarized light passing through a single sheet of polarizing material changes by a factor of:
a. 0.5. c. cos2 q. b. 1. d. cos q.
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