How many elements occur naturally? A. 2 B. 9 C. 29 D. 92

Physics

2 answers:

iragen [17]3 years ago

7 0

92 elements occur naturally.

Hope this help‼️

Dahasolnce [82]3 years ago

4 0

Answer:

Explanation:

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thermal equilibrium is reached when both objects are the same temperature.

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<h3>Tension in the upper rope</h3>

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SVEN [57.7K]

Answer:

Frequency = 1,550Hz

Explanation:

To solve this we can use the equation: $f=\frac{v}{\lambda}$

(frequency = velocity/wavelength).

We are given the information that the wavelength is 22cm and the speed is 340m/s. The first step is to make sure everything is in the correct units (SI units), and to convert them if needed. The SI Units for velocity and wavelength are m/s and m respectively. This means we need to convert 22cm into meters, which we can do by dividing by 100, (as there are 100cm in a meter). 22/100 = 0.22m

Now we can substitute these values into the formula and calculate to solve:

$f=\frac{340}{0.22} \\\\f=1545.454...$