Answer:
The Awnser is C
Explanation:
Placing test tubes in an ice bath for 15 minutes
Answer:
It would be lower than because, if the boiling point of that element is 77 Kelvin degrees then if it isn’t at boiling point it would automatically be cooler than that. Even if it’s at its original state. The normal temperature of Liquid Nitrogen is really cold -320.8 degrees.
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Answer:
Neither the source or wall is moving so the sound takes 3 sec to get to the wall and 3 sec to return
D = 3 * v = 330 m/s * 3 sec = 990 m
Answer: B, increase the rate at which he turns the crank
Explanation: i got it right
Answer:
longitudinal wave
Explanation:
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