The most important climatic factors that affect the rate of chemical weathering are heat and
a. moisture.
b. wind.
c. clouds.
d. none of these.
a
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A cable has a strain of 
If the un-stretched length of the cable is 24.0 m, then the change in length of the cable is
A. 35 mm. B. 48 mm. C. 52 mm. D. 59 mm. E. 67 mm.
How much work must be done by frictional forces in slowing a 1000-kg car from 26m/s to rest?
A) 3.41 × 105 J B) 2.73 × 105 J C) 4.09 × 105 J D) 4.77 × 105 J
As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because __________.
a. Europa and Ganymede are unusually large moons b. all three moons orbit with the same period, staying aligned at all times c. Europa and Ganymede always pull on Io from the same direction as Jupiter pulls on Io d. Io, Europa and Ganymede periodically return to the same orbital positions, creating the same gravitational tugs
Let's say that the magnitude of a particle's displacement is 2 m. Which of the following values could represent the distance traveled?
(i) 0 m (ii) 1 m (iii) 2 m (iv) 3 m
1.(iii) and (iv) 2.(ii), (iii), and (iv) 3.(i) and (ii) 4.all of them