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Use the data table and information below to answer the following questions.

1 answer:

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The temperature would be about 28°C based on the fact that the temperature of the dry sand has increased by 2 degrees during each 2-minute reading.

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Answer :

Explanation :

It is given that,

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Number of oscillation, n = 20

time, t = 35.5 seconds

so, Time period, $T=\dfrac{t}{n}$

$T=\dfrac{35.5s}{20}$

we know that the time period of pendulum is given by

$T=2\pi\sqrt{\dfrac{l}{g}}$

$g=\dfrac{4\pi^2l}{T^2}$

$g=\dfrac{4\times(3.14)^2\times 0.6 \times (20)^2}{(35.5s)^2}$

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If you need 40.0 Nm of torque in order to loosen a nut on a wn

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0.301 m

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