A traveler pulls on a suitcase strap at an angle 36° above the horizontal. If of work are done by the strap while moving the suitcase a horizontal distance of what is the tension in the strap?
A) 46 N
B) 37 N
C) 52 N
D) 56 N
A
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The positive result from the Labeled Release experiment was inconsistent with the results from which other biology experiment or experiments?
A) Carbon Assimilation B) Gas Exchange C) Gas Chromatograph/Mass Spectrometer D) it was inconsistent with all of them
Suppose you throw an apple horizontally. Neglecting air resistance, just after you release the apple from your hand, the net force on the apple is
A) zero. B) directed horizontally forward. C) directed horizontally backward. D) directed downward. E) directed upward.
A 140-g block of copper is taken from a kiln and quickly placed into a beaker of negligible heat capacity containing 290 g of water. The water temperature rises from 6.8°C to 26.8°C. Given cCu = 0.10 cal/g/°C, and cwater = 1.00 cal/g/°C, what was the temperature of the kiln?
a. 720°C b. 387°C c. 682°C d. 441°C e. 68.2°C
An example of a transverse wave is a
a. sound wave in air. b. wave on a rope. c. water wave. d. sound wave in a metal bar. e. none of the above