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Alekssandra [29.7K]
3 years ago
5

Evaluate how a reduction in the number of condensation nuclei in the tropo-

Physics
1 answer:
marta [7]3 years ago
6 0

Answer:

i do not  no sory

Explanation:

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A 5.0 kg wooden block is in free fall at 10 m/s. What is the Kinetic Energy for the wooden block?
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Answer:

250 J

Explanation:

Apply the formula:

K = 1/2.m.v²

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Find the unknown mass of the block 1 needed to balance the bar. Assume that the mass of the bar is negligible. Block 1 is locate
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Answer:

Incomplete question: The masses of the blocks m₂ = 1.5 kg and m₃ = 2 kg

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Given data:

L₁ = length = 0.85 m

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Question: Find the unknown mass of the block 1 needed to balance the bar, m₁ = ?

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Is negative because mass 1 is to the left of the coordinate system (see the diagram)

m_{1} =\frac{m_{2} gL_{2}+m_{3} gL_{3}  }{L_{1} } =\frac{(1.5*0.25)+(2*0.5)}{0.85} =1.6176kg

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