Superposition of waves can occur
a. in transverse waves.
b. in longitudinal waves.
c. in sinusoidal waves.
d. in all of the above.
e. only in (a) and (c) above.
d
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In filament _________, the reinforcing material is wrapped around a rotating mandrel of the desired shape.
Fill in the blank(s) with the appropriate word(s).
Which of the following can be considered a near Earth object?
A) An asteroid orbiting at a distance of 0.1 AU from the Sun B) An asteroid orbiting at a distance of 0.5 AU from the Sun C) An asteroid orbiting at a distance of 1.01 AU from the Sun D) An asteroid orbiting at a distance of 2.01 AU from the Sun
Why is Saturn's moon Titan able to retain an atmosphere?
a. Titan only contains light gases which are easy to retain. b. Titan has a large enough mass and is cold enough. c. Titan is biologically active. d. It is so close to Saturn that Saturn's gravity retains Titan's atmosphere.
The sum of two vectors is the largest when the two vectors are _____.
A. pointing in the same direction B. pointing in opposite directions C. perpendicular to each other D. positioned at a 45