The volume of a sphere is 8.00 m3 . The radius of the sphere is
A. 1.24 m.
B. 2.00 m.
C. 2.65 m.
D. 3.00 m.
A. 1.24 m.
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A 5.00-kg box slides 4.00 m across the floor before coming to rest. What is the coefficient of kinetic friction between the floor and the box if the box had an initial speed of 3.00 m/s?
A) 1.13 B) 0.587 C) 0.115 D) 0.229 E) 0.267
Which of the following is NOT a reason to use a reflecting telescope rather than a refractor?
A) Heavy lenses, which can only be supported at their edges, tend to deform under their own weight. B) Lenses are harder to focus than mirrors. C) Lenses are subject to chromatic aberration. D) A lens must have two precision surfaces; a mirror needs only one. E) Lenses absorb light, while mirrors do not.
A new car manufacturer advertises that their car can go "from zero to sixty in 8 s." This is a description of
A) instantaneous speed. B) average speed. C) instantaneous acceleration. D) average acceleration. E) none of the given answers.
The alloy treatment that provides the lowest-strength and highest-ductility alloys is the _________condition.
Fill in the blank(s) with the appropriate word(s).