2 years ago

Physics question, any help is appreciated :)

Physics

2 answers:

Gekata [30.6K]2 years ago

8 0

Runner 2 sees Runner 1 passing him with a velocity of 17 m/s west.

Rainbow [258]2 years ago

4 0

The velocity of 17 m/s west is the answer.

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A man in a strength competition pulls an 18-wheel truck 3.10 m in 20.5 s. There is a cable that is attached to his body that exe

larisa [96]

Answer:

114.32195122 but Round your answer to three significant figures.) is 114

Explanation:

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3 years ago

What is currently the most supported theory about the future of the universe

mamaluj [8]

the answer is B! it would continue to expand.....just took the test XD

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3 years ago

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How much does the earth/sky weigh?

Talja [164]

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2 years ago

Find the noise level of a sound having an intensity of 1.5x10^-14W/m^2 given I0=10^12 W/m2

Llana [10]

Answer:

Noise level will be -18.2 watt

So option (b) will be correct answer

Explanation:

We have given sound intensity $I=1.5\times 10^{-14}w/m^2$

And threshold intensity $I_0=\times 10^{-12}w/m^2$ ( in question it is given as $10^{12}w/m^2$ but its standard value is $10^{-12}w/m^2$ )

Now noise level $=10log\frac{I}{I_0}=10log\frac{1.5\times 10^{-14}}{10^{-12}}=10log0.015-18.23$

So the noise level will be -18.2

So option (b) will be correct answer

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3 years ago

Then, complete the riddle below by finding the matching number and writing the letter.

liq [111]

Answer:

I have no clue I'm just trying to get points

Explanation:

:) sorry

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2 years ago