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Juli2301 [7.4K]
3 years ago
15

A clock is designed that uses a mass on the end of a spring as a timing mechanism. If the oscillation time needed is exactly one

second, what is the spring constant required if the mass is 1.3 kg
Physics
1 answer:
user100 [1]3 years ago
5 0

Answer:

The value is  k  =  51.34 \  N/ m

Explanation:

From the question we are told that

   The  mass is  m =  1.3 \  kg

   The needed oscillation time is  T = 1 \ s  

 Generally the spring constant is mathematically represented  as

         k  =  \frac{4 \pi^2 * m }{ T^2}

=>      k  =  \frac{4* 3.142^2 * 1.3 }{ 1^2}

=>      k  =  51.34 \  N/ m

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jeka94

Answer:

Explanation:

Given

Initial Intensity of light is S

when an un-polarized light is Passed through a Polarizer then its intensity reduced to half.

When it is passed through a second Polarizer with its transmission axis \theat =45^{\circ}

S_1=S_0\cos ^2\theta

here S_0=\frac{S}{2}

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3 years ago
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3 years ago
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anyanavicka [17]
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A wooden log is displaced to a distance of 20m in 10 seconds by applying 500N effort . Calculate the workdone and power...

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time = 10 sec

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power = ?

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