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4 years ago

An outside thermometer reads 57°F. What is this temperature in °C? Round your answer to the nearest whole number.

Physics

2 answers:

kari74 [83]4 years ago

8 0

The answer would be 13.8889
Nearest whole=14
hope this helps:)

Mnenie [13.5K]4 years ago

3 0

Answer:

14°C

Explanation:

Temperature is the degree of hotness or coldness of an object. It is measured using an instrument called THERMOMETER. There are different units of measuring temperature which are interconvertible. The units are Fahrenheit (°F), Celsius (°C), Kelvin (K) etc.

In this question, the thermometer reads 57°F. To convert this temperature reading to °C, we use the formula:

[°C] = ([°F] − 32) × 5/9

Hence,

[°C] = (57− 32) × 5/9

[°C] = (25) × 5/9

[°C] = 125/9

= 13.888888

Hence, 57°F approximated to the nearest whole number will be 14°C.

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4 years ago

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(b) How many complete cycles will the mass have completed at the end of 4 seconds?

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$A = 1.803 ft$

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A mass weighing 32 pounds stretches a spring 2 feet;

it implies that the mass (m) = $\frac{w}{g}$

m= $\frac{32}{32}$

= 1 slug

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2 k = 32

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$-1 =c_1\\c_1 = -1$

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$-6 =4(c_2)\\c_2 = - \frac{6}{4}$

$c_2 = -\frac{3}{2}$

Hence, $x(t) =-cos4t-\frac{3}{2} sin 4t$

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$A = 1.803 ft$

Period can be calculated as follows:

= $\frac{2 \pi}{4}$

= $\frac{\pi}{2}$ seconds

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At the end of 4 seconds, we have:

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