Physics, 20.11.2020 05:00 zitterkoph
The speed of sound through liquid glycerol is about 1900 m/s. Which of the following could be the speed of sound through solid steel?
A.
150 m/s
B.
730 m/s
C.
1900 m/s
D.
5950 m/s
Answers: 1
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If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10
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A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?
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Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
Answers: 1
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A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.
Answers: 3
The speed of sound through liquid glycerol is about 1900 m/s. Which of the following could be the sp...
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