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anastassius [24]
2 years ago
13

7. What is the velocity of an object that has a mass of 4.5 kilograms and

Physics
1 answer:
labwork [276]2 years ago
7 0

Answer:

266.66 m/s

Explanation:

p=mv

1200=4.5v

v=266.66 m/s

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2 years ago
The sound source of a ship’s sonar system operates at a frequency of 22.0 kHz . The speed of sound in water (assumed to be at a
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Answer:

147.456077993 Hz

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The difference in frequency is given by

\Delta f=f_0\times\dfrac{2v_{w}}{v-v_w}\\\Rightarrow \Delta f=22000\times\dfrac{2\times 4.95}{1482-4.95}\\\Rightarrow \Delta f=147.456077993\ Hz

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3 years ago
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o-na [289]

Answer:

The correct option is (d).

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