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seropon [69]
3 years ago
13

A temperature of 20°C is equal to ? °F.

Physics
2 answers:
Papessa [141]3 years ago
6 0
The answer is 68 F. i hope this helps
-Dominant- [34]3 years ago
4 0

Answer:

68 degree F

Explanation:

The relation between Celcius scale and Fahrenheit scale is given below

(C - 0) / 100 = (F - 32) / 180

20 / 100 = ( F - 32) / 180

180 / 5 = F - 32

36 + 32 = F

F = 68 degree F

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the question is incomplete, full statement is-

A 24 kg child sits on a 2.0-m-long rope swing. You are going to give the child a small, brief push at regular intervals. If you want to increase the amplitude of her motion as quickly as possible, how much time should you wait between pushes?

<h3>What is Amplitude?</h3>

In physics, amplitude refers to the greatest displacement or distance that a point on a vibrating body or wave may move relative to its equilibrium location. It is equivalent to the vibration path's half-length.

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The time between the pushes is nothing but the Time period

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T = 2\pi  ( \frac{l}{g}  )^{\frac{1}{2} }

= 2 * 3.14 ( 2.0/ 9.8 ) ^ (1/2)

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