A flywheel, of radius 1 m, is spinning with a constant angular velocity of 2 rad/s. What is the centripetal acceleration of a point on the wheel's rim?
A) 6 m/s2
B) 2 m/s2
C) 4 m/s2
D) 1 m/s2
E) 8 m/s2
C
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What will be an ideal response?
A heat engine that would take in 1000 J of heat from a reservoir at 500 K and exhaust 500 J to a reservoir at 300 K, converting the other 500 J of heat to work, is
A. thermodynamically possible. B. not thermodynamically possible. C. possible only for a Carnot cycle.
The prefixes which are abbreviated p, n, and T represent which of the following?
a. 10-2, 10-6, and 1015 c. 10-12, 10-9, and 1012 b. 10-9, 106, and 1010 d. 10-15, 10-6, and 1015
We find most stars still on the main sequence because this stage takes ________
Fill in the blank(s) with correct word