The requirement to use powder metallurgy techniques makes oxide dispersion strengthened metals _________in comparison to other metal strengthening techniques.
Fill in the blank(s) with the appropriate word(s).
expensive
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A string 40.0 cm long of mass 8.50 g is fixed at both ends and is under a tension of 425 N. When this string is vibrating in its third OVERTONE, you observe that it causes a nearby pipe, open at both ends, to resonate in its third HARMONIC
The speed of sound in the room is 344 m/s. (a) How long is the pipe? (b) What is the fundamental frequency of the pipe?
The Van Allen belts are cloud layers in the jet streams of the stratosphere, similar to the belts that Galileo saw on Jupiter
Indicate whether the statement is true or false
Precession is the slow change in direction of Earth's rotation axis due to the gravitational interaction of the Sun and of the Moon with Earth's equatorial bulge.
Answer the following statement true (T) or false (F)
A car heading north suddenly collides at an intersection with a truck of the same mass heading east. If they lock together and travel at 28 m/s at 15° north of east just after the collision, how fast was the car initially traveling?
A) 14 m/s B) 7 m/s C) 11 m/s D) 28 m/s