2 years ago

A 25.0 kg object is held 8.50 m above the ground. Calculate its PE

Physics

1 answer:

pantera1 [17]2 years ago

6 0

Answer:=mgh

Explanation:

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The drawings show three charges that have the same magnitude but may have different signs. In all cases the distance d between t

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Answer:

a) $F = 6816.5680 N$

b) $F' = 0 N$

c) $F''=28195.5N$

Explanation:

Magnitude of charges $M=1.6\muC$

Distance $d=2.6$

Generally the equation for Net Force is mathematically given by

For First Drawing

$F =\frac{ k q^2}{d^2}+\frac{k q^2}{d^2}$

$F =\frac{2* 9*10^9* (1.6*10^-6)^2}{ (2.6*10^-3^2}$

$F = 6816.5680 N$

For second Drawing

$F' =\frac{ k q^2}{d^2 }-\frac{ k q^2}{ d^2}$

$F' = 0 N$

For Third Drawing

$F'' =\frac{ k q^2}{d^2} * \sqrt (2)$

$F'' = 9*10^9* (6.4*10^-6)^2 * \frac{\sqrt(2)}{(4.3*10^-3)^2}$

$F''=28195.5N$

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2 years ago

Why is a control group important?

Likurg_2 [28]

Answer:

A. It changes all the time, allowing us to see if the experimental group stays the same.

control group mean the thing the stay the same during the Experiment.

I hope this help

I hope this is correct

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What are some sources of error in a refraction lab using pins and a glass block?

ser-zykov [4K]

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A conglomerate is a rock that forms as a result of _____. . . Choices:Intense heat and pressure. Compaction and cementation. Rap

sergeinik [125]

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A milliliter, because it is a smaller unit of measurement more fitting for a drop of water.

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