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zhannawk [14.2K]
3 years ago
9

The energy derived from the disgusting of food

Physics
1 answer:
eimsori [14]3 years ago
6 0
The energy derived from digesting food is chemical energy . hope this helps :)
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You place a light bulb 8 cm in front of a concave mirror. You then move a sheet of paper back and forth in front of the mirror.
Alika [10]

sorry - late reply...just stumbled across tis...hope u can still use it :)


By the mirror equation: 1/di + 1/do = 1/f

<span>
</span>

<span>where di = distance to image = +12cm (+ for real image)</span>


and do = distance to object = +8cm


Substitute and solve for f, the focal length

<span><span>
1/12 + 1/8 = 1/f
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1/f = (8 + 12) / 12 * 8 = 20/96
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5 0
3 years ago
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Dvinal [7]
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Lostsunrise [7]
Can we see the figure?
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What is the potential energy of a 25 kg bicycle resting at the top of a hill 3 m high? (Formula: PE = mgh)
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Answer:

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8 0
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