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r-ruslan [8.4K]
3 years ago
14

Earth's gravitational force just got three times stronger! What happens to your weight?

Physics
1 answer:
kicyunya [14]3 years ago
8 0

Your "weight" is the name you give to that gravitational force.
So your question actually says:

           "Your weight just got three times stronger !
             What happens to your weight ?"

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A tin can is partially filled with water and heated so that the water boils for some time. Explain what happens to the can when
kozerog [31]
It gets smaller and lower in the tin can
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3 years ago
A linear accelerator uses alternating electric fields to accelerate electrons to close to the speed of light. A small number of
diamong [38]

Answer:i

9E13 ELECTRONS

Explanation:

First we find the number of charges in two hrs

Which is - 2x 7200=- 14400NC

So no of electrons is now q/e

-144x10^-7/-1.6*10^-19

= 9*10^13

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3 years ago
The energy required to start a reaction is called the activation energy. true false
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The energy required to start a reaction IS called the activation energy. TRUE

3 0
3 years ago
I NEED HELP WITH THIS PLEASE
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Answer:

D

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One of the factors of increasing the rate of a reaction is increasing concentration. Therefore adding more people increases the number of people on the dance floor , therefore increasing the concentration increases the rate of reaction.

6 0
3 years ago
I need help with this
fredd [130]
We have here what is known as parallel combination of resistors.

Using the relation:

\frac{1}{ r_{eff} } = \frac{1}{ r_{1} } + \frac{1}{ r_{2} } + \frac{1}{ r_{3} }.. . + \frac{1}{ r_{n} } \\
And then we can turn take the inverse to get the effective resistance.

Where r is the magnitude of the resistance offered by each resistor.

In this case we have,
(every term has an mho in the end)
\frac{1}{10000} + \frac{1}{2000} + \frac{1}{1000} \\ \\ = \frac{1}{1000} ( \frac{1}{10} + \frac{1}{2} + \frac{1}{1} ) \\ \\ = \frac{1}{1000} ( \frac{31}{20}) \\ \\ = \frac{31}{20000}

To ger effective resistance take the inverse:
we get,
\frac{20000}{31} \: ohm \\ = 645 .16 \: ohm

The potential difference is of 9V.

So the current flowing using ohm's law,

V = IR

will be, 0.0139 Amperes.
7 0
3 years ago
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