You run up a flight of stairs, and then you walk up a second, identical, flight of stairs. Compared with running up the first flight of stairs, in walking up the second flight your
A) power output is greater.
B) work output is smaller.
C) work output is greater.
D) power output is smaller.
E) None of the above.
D
Physics & Space Science
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The Cenozoic is a(n)
a. epoch. b. era. c. eon. d. period.
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A 20.0 kg box slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 150 N is applied to the box to pull it up the incline. The applied force makes an angle of 10.0 degrees to the incline. What is the change in gravitational potential energy, in Joules?
A. 2,570 B. 2,350 C. 1,450 D. 1,180 E. 945
Physics & Space Science
Why do some igneous rocks have small crystals?
What will be an ideal response?
Physics & Space Science
__________ is transferred from a substance if it is exposed to something that has a lower temperature
Fill in the blank(s) with correct word
Physics & Space Science