If a light bulb has half the resistance of a 110-W light bulb, what would be its wattage? Assume both bulbs are attached to the same 160-V circuit
a. 220 W
b. 55 W
c. 1.5 W
d. 330 W
e. More information is needed.
a
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The helium flash stage will always completely destroy a star and any planets nearby it
a. True b. False Indicate whether the statement is true or false
A person pushes horizontally on a heavy box and slides it across the level floor at constant velocity. The person pushes with a 60.0 N force for the first 6.88 m, at which time he begins to tire
The force he exerts then starts to decrease linearly from 60.0 N to 0.00 N across the remaining 6.88 m. How much total work did the person do on the box? A) 619 J B) 826 J C) 495 J D) 925 J
The absolute magnitude of a star is how bright it appears if viewed from a distance of ________ light-years
Fill in the blank(s) with correct word
When the equation Sb2S3 + HCl ? SbCl3 + H2S is balanced, the coefficient of HCl is
a. 1. b. 6. c. 2. d. 4.