1300 rev/min is equivalent to which of the following?
a. 2600 rad/s
c. 273 rad/s
b. 136 rad/s
d. 60 rad/s
B
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The transitions of an electron in the hydrogen atom to the n = 1 level result in the
a. Lyman series. b. Balmer series. c. Paschen series. d. Bohr series.
A small object is enclosed in plastic (n = 1.5). The object appears to be 4.0 cm below the surface. What is the actual distance of the object below the surface?
B. 2.7 cm C. 4.0 cm D. 5.5 cm E. 6.0 cm
As seen from Mars orbiters, ______________ and ______________ are cut, possibly by sudden floods or drainage that occur on a longer timescale
Fill in the blank(s) with correct word
A 60.0-kg person rides in elevator while standing on a scale. The elevator is traveling downward but slowing down at a rate of 2.00 m/s2. The reading on the scale is closest to
A) 589 N. B) 708 N. C) 469 N. D) 120 N. E) 349 N.