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Irina18 [472]
3 years ago
5

40 POINTS!!! PLEASE HELPP!!!

Physics
2 answers:
NeX [460]3 years ago
7 0

Answer:

A

Explanation:

if it was B it would say from one to another to another

djyliett [7]3 years ago
7 0
Answer A



Single transformation
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Which of the following changes would decrease the force between two charged particles by a factor of 9? A. Decreasing the distan
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The answer would be C. increasing the sound of charge on each particle by a factor of 9
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(WILL MARK BRAINLIEST and 27pts) What is the formula used to calculate the distance to an object in parsecs
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a. d=1/p

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3 years ago
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Four penguins that are being playfully pulled along very slippery (frictionless) ice by a curator. The masses of three penguins
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Answer:

m_2 = 23 kg

Explanation:

As we know that the tension in two strings are

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now we have

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(m_1 + m_2)a = T_2

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also we have

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7 0
3 years ago
the candle had 350 J of energy in the chemical store. As it burned, 250 J was transferred by lighting to the surrounding​
Elan Coil [88]

Answer:

Efficiency = 71%

Explanation:

Given the following data:

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Efficiency = \frac {Out-put \; energy}{In-put \; energy} * 100

Substituting into the equation, we have;

Efficiency = \frac {250}{350} * 100

Efficiency = 0.7143 * 100

Efficiency = 71.43 ≈ 71%

Therefore, the efficiency of the candle is 71 percent.

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3 years ago
the temperature of a body fell from 100°c to 50°c in 10 minutes. the surrounding temperature was 20°c. what is the temperature a
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The temperature is 10 c

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