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nadya68 [22]
2 years ago
12

How can I start studying physics myself? Please be specific, such as recommended series or books. BOUNTIFUL REWARD FOR PROPER AN

SWERS
Physics
1 answer:
Dmitriy789 [7]2 years ago
3 0
BYJU’S app trust me it very helpful I used to suck at it but now I’m the topper of the class
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1 poir
djverab [1.8K]

Answer:

D) 735 J(oules)

Explanation:

Work is defined as force * distance

Force is defined as mass * acceleration

Given a mass of 15 kg and a gravitational acceleration of 9.8 m/s² since the box is being lifted up, the force being applied to the box is 15 kg * 9.8 m/s² = 147 N

Since the distance is 5 meters, the work done is 147 N * 5 m = 735 N/m = 735 J, making D the correct answer.

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3 years ago
Sandra is having difficulty with her reading assignment because she does not fully understand the language. Which online tool wo
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Answer:

The answer is a TRANSLATION TOOL or D

Explanation:

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How does the law of conservation of energy apply to machines?
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The answer is letter C
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9. Does a blackbody radiator emit light waves? Explain.
Yakvenalex [24]

Answer:

"A blackbody is an object that absorbs all of the radiation that it receives(that is,it does not reflect any light,nor does it allow any light to pass through it and out the other side).The energy that the blackbody absorbs heats it up,and then it will emit its own radiation."

Explanation:

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3 years ago
Use Percentages Given that the molecular mass of magnesium
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Answer:

27%

Explanation:

15.999 divided by 58.32 = .27433128

Move the decimal place over 2 places.

27%

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