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Ghella [55]
3 years ago
8

A lab cart with a mass of 15 kg is moving with constant

Physics
1 answer:
bagirrra123 [75]3 years ago
8 0

Answer:c

Explanation: i guessed but got it right bc im a bad bleep lol

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Water at room temperature is discharged from a pipe at a rate of 1000 gallons per minute (gpm). Express this flow rate in cubic
marshall27 [118]

Answer

given,

discharge rate from pipe = 1000 gallons/minutes

now,

flow rate in  cubic meters per second

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flow rate in  liters per minute

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4 0
2 years ago
As an emergency vehicle approaches Bob and moves away from Jill, how does the actual frequency of the siren change? A) As an eme
Tamiku [17]
The correct answer is: 
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In fact, Bob will observe an increase in the apparent frequency as the emergency vehicle approaches him, while Jill will observe a decrease in the apparent frequency as the emergency vehicle moves away from him, because of the Doppler effect (the relative velocity between the observer and the source of the sound is changing), but this effect involves the apparent frequency, while the real frequency of the siren will remain the same.</span>
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Fantom [35]

Answer:

(d) not enough info

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