An object that is moving in a linear path with an acceleration in the direction of motion has a(n) ______________ velocity
a. constant
b. increasing
c. decreasing
d. none of these
d
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Angular Momentum: An ice skater has a moment of inertia of 5.0 kg ? m2 when her arms are outstretched, and at this time she is spinning at 3.0 rev/s. If she pulls in her arms and decreases her moment of inertia to 2.0 kg ? m2, how fast will she be spinning?
A. 2.0 rev/s B. 3.3 rev/s C. 7.5 rev/s D. 10 rev/s
The difference between Newton's law as a proportion and an equation involves
A) the constant G. B) the equal sign. C) one being a vector and the other not. D) magnitude and direction.
Spherical Mirrors: The focal length of a concave mirror has a magnitude of 20 cm. What is its radius of curvature?
A. 10 cm B. 40 cm C. -40 cm D. 20 cm E. -20 cm
For each value of the principal quantum number n, what are the possible values of the electron spin quantum number ms? (There may be more than one correct choice.)
A) -1/2 B) +1/2 C) -3/2 D) 0 E) +3/2