The vertical acceleration of a projectile
a. equals g pointing downwards
b. equals g pointing upwards
c. equals g pointing sometimes upwards and other times downwards
d. is zero
e. continuously increases
A
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What is the slit spacing of a grating necessary so that 600-nm light will produce a first order principal maximum at 25.0° away from the centerline?
A) 1.42 ?m B) 2.01 ?m C) 3.12 ?m D) 4.12 ?m E) 5.44 ?m
An explorer walks into a lab in a science building. She has a compass in her hand and finds that the south pole of her compass points toward the room's east wall when she is nearer that wall and toward the west wall when she is nearer that wall. You could explain this if magnetized metal had been installed in the east and west walls with north poles pointing into the room. If no magnetic material
was installed in the north or south walls of the room, she would expect that a. the south pole of the compass would tend to point toward those walls. b. the north pole of the compass would tend to point toward those walls. c. the compass needle would not point in any particular direction. d. the north pole of the compass needle would tend to point toward the centers of those walls, but the south pole would tend to point toward the sides of those walls. e. the south pole of the compass needle would tend to point toward the centers of those walls, but the north pole would tend to point toward the sides of those walls.
Granite is a common type of
A) meteoritic rock B) metamorphic rock C) igneous rock D) sedimentary rock
An FM radio tuning circuit has a coil with an inductance of 0.0036 mH. What is the value of the capacitance if the set is tuned to 91.3 MHz?
a. 3.38E–12 F b. 2.65E–12 F c. 4.84E–13 F d. 8.45E–13 F e. 8.33E–12 F