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3 years ago

Scientific notation for 0.0058201

Physics

1 answer:

Makovka662 [10]3 years ago

5 0

Answer:

5.82x10^-3

Explanation:

If the decimal moves right I think it goes negative in the exponent because the starting number is small...or less than 1

I think

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What is the change in potential energy if the distance separating the electron and proton is increased to 1.0 nm?

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Answer:

$Ep=-2.3*10^{-19}J$

Explanation:

The change in potential energy can be expressed as:

$Ep=K.\frac{q1.q2}{r}$

where K is a constant with a value of $9*10^{9}\frac{N.m^{2}}{C^{2}}$ , q1 and q2 are the charges of the proton and the electron and r is the distance between them.

The charge for the proton is $+1.6*10^{-19}C$ and the charge for the electron is $-1.6*10^{-19}C$ .

Converting r=1.0nm to m:

$1.0nm*\frac{1*10^{-9}m}{1.0nm}=1*10^{-9}m$

Replacing values:

$Ep=9*10^{9}\frac{N.m^{2}}{C^{2}}.\frac{(+1.6*10^{-19}C).(-1.6*10^{-19}C)}{1*10^{-9}m}$

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2 years ago

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2 years ago

Movement of a stationary object it's called what?

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A 87.0 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astron

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Answer:

259.62521 seconds

Explanation:

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Here, the linear momentum is conserved

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The time taken to reach the ship is 259.62521 seconds

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2 years ago

It takes a car traveling at 18 m/s, 240 seconds to reach Chick-Fil-A from the school. Determine how far Chick-Fil-A is from the

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Answer:

The requested distance is 4320 meters

Explanation:

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Since we know the velocity and the time, we can solve for the distance:

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2 years ago