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uysha [10]
3 years ago
12

An object is measured 6.0cm in length, 3.0cm in width and 5.0cm in height. What is it’s volume?

Physics
1 answer:
sergey [27]3 years ago
5 0

Answer:

90

Explanation:

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sashaice [31]

Answer:

COMPLETE QUESTION

A spring stretches by 0.018 m when a 2.8-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 3.0 Hz?

Explanation:

Given that,

Extension of spring

x = 0.0208m

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Additional mass to have a frequency f

Let the additional mass be m

Using Hooke's law

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Then,

F = kx

k = F/x

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Make m subject of formula

f² = ¼π² •(k/m

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So, this is the general formula,

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