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Fofino [41]
3 years ago
5

If it requires 7.0 j of work to stretch a particular spring by 2.1 cm from its equilibrium length, how much more work will be re

quired to stretch it an additional 3.5 cm ?
Physics
1 answer:
SVEN [57.7K]3 years ago
8 0
4.6 j more. To get this take 7 and multiply it by 3.5 to get 24.5 take the x which is what you’re looking for and multiply it by the 2.1 to get 2.1x. Take 24.5 and divide it by 2.1 x and get 11.6. Subtract 11.6 by 7 and get 4.6
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Simplify completely: -3(4-9)+6-2(-8+5)
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Answer:

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Explanation:

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5 0
3 years ago
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Lapatulllka [165]
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AVprozaik [17]
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6 0
3 years ago
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leonid [27]
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6 0
3 years ago
A radium atom has 88 protons and 226 neutrons. How many electrons does it have?
Ymorist [56]

Answer:

No. of electrons = 88

Explanation:

Given that,

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We need to find the number of electrons it have in a radium atom.

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Hence, there are 88 electrons in the radium atom.

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