3 years ago

As the solar system was forming, ________ came closest to undergoing nuclear fusion and becoming a second sun

Physics

1 answer:

Sphinxa [80]3 years ago

7 0

The answer is: jupiter

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You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. Determine t

PIT_PIT [208]

Frequency = rate of sploosh = 2 per second = 2 Hz.

Period = ( 1/frequency ) = 1/2 second

Speed = (wavelength) x (frequency) = (0.15m) x ( 2/sec) = 0.075 m/s .

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3 years ago

What is the net force on an object when you combine a force of 10n north with a force of 5n south?

svetoff [14.1K]

Let north as positive
Fnet=10n-5n
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2 years ago

Correctly round the following number to the ten thousandths place<br> 3.68274

Sergeu [11.5K]

The answer to this question is 3.69

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3 years ago

The Achilles tendon, which connects the calf muscles to the heel, is the thickest and strongest tendon in the body. In extreme a

Tanzania [10]

Answer:

1) tensile stress = 76.648 Mpa

2) extension = 0.0215 m

Explanation:

Detailed explanation and calculation is shown in the image below

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3 years ago

What is the speaker’s power output if the sound intensity level is 102 dBdB at a distance of 25 mm ? Express your answer to two

lesya [120]

Answer:

Power = 124.50 W

Explanation:

Given that:

The Sound intensity of a speaker output is 102 dB

and the distance r = 25 m

For the intensity of sound,

$\beta (dB)= 10 \ log_{10 } (\dfrac{I}{I_o})$

where;

the threshold of hearing $I_o = 10^{-12} (W/m^2)$

$\dfrac{102 }{10}= log_{10}( \dfrac{I}{10^{-12}})$

$10^{10.2} = \dfrac{I}{10^{-12}}$

$I = 10^{10.2} \times 10^{-12}$

I = 0.01585 W/m²

If we recall, we know remember that ;

Power = Intensity × A rea

Power = 0.01585 W/m² × 4 × 3.142 × (25 m)²

Power = 124.50 W

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3 years ago