The type of EM radiation that has wavelength just a bit longer than that of visible light is __________
Fill in the blank(s) with correct word
infrared
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Camera Exposure: A zoom lens for a camera is adjusted to change its focal length from 38 mm to 304 mm. If the same amount of light is to be admitted to the lens in both cases, what is the final f-number if the original f-number was f/2.0?
Fill in the blank(s) with the appropriate word(s).
A baseball is hit almost straight up into the air with a speed of about 20 m s.
(a) How high does it go? (b) How long is it in the air?
Huyghens claimed that near the surface of the Earth the velocity downwards of an object released from rest, vy, was directly proportional to the square root of the distance it had fallen, 
. This is true if c is equal to
A.
.B.
.C.
D.
.E.
The flywheel of a machine is rotating at 126 rad/s. Through what angle will the wheel be displaced from its original position after 6.0 s?
A) 21. radians B) 7.3 × 102 radians C) 1.2 × 102 ° D) 0.32 revolutions E) 7.3 × 10-2 revolutions