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Hoochie [10]
3 years ago
11

Which of these substances has the greatest index of refraction?

Physics
2 answers:
Inessa05 [86]3 years ago
7 0
D. diamond, is the best option..
Romashka [77]3 years ago
6 0
Diamond (Answer D) would have the greatest index of refraction.
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What task requires the most work, lifting a 12-kg sack 2 meters or lifting a 25-kg sack 1 meter?
MrMuchimi

Multiply the masses by the respective distances:

(12 kg) (2 m) = 24 J

(25 kg) (1 m) = 25 J

so the heavier bag takes more work to lift, and (b) is the answer.

(d) is technically correct if the sacks are carrying different contents whose masses are not equal, but since we don't know what's inside each sack, assume 12 kg and 25 kg are the masses of each sack *and* their contents.

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3 years ago
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NISA [10]
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3 years ago
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3 years ago
A resistor is connected to a 36v power supply. An ammeter measures a current of 2.0 A going through it. Determine the resistance
m_a_m_a [10]

R = 18 ohms

Explanation:

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8 0
2 years ago
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allochka39001 [22]
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 <span>work = force times distance
</span>replacing data you will get:
W = (1.500) (3)
W =  4.500 NM
The answer should be in NM. So it will be 4500 NM againts the force of gravity
4 0
3 years ago
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