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MariettaO [177]
3 years ago
10

Please answer, do today

Physics
1 answer:
Ksenya-84 [330]3 years ago
3 0

Answer:

hshawi hdsdk

done and my name is fricking bella your gonna die

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What formed the lunar maria?
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It was formed by ancient volcanic eruptions.

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A rope passes over a fixed sheave with both ends hanging straight down. The coefficient of friction between the rope and sheave
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Answer:3.51

Explanation:

Given

Coefficient of Friction \mu =0.4

Consider a small element at an angle \theta having an angle of d\theta

Normal Force=T\times \frac{d\theta }{2}+(T+dT)\cdot \frac{d\theta }{2}

N=T\cdot d\theta

Friction f=\mu \times Normal\ Reaction

f=\mu \cdot N

and T+dT-T=f=\mu Td\theta

dT=\mu Td\theta

\frac{dT}{T}=\mu d\theta

\int_{T_2}^{T_1}\frac{dT}{T}=\int_{0}^{\pi }\mu d\theta

\frac{T_2}{T_1}=e^{\mu \pi}

\frac{T_2}{T_1}=e^{0.4\times \pi }

\frac{T_2}{T_1}==e^{1.256}

\frac{T_2}{T_1}=3.51

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3 years ago
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A force of 90N is applied to each cart below, which one will accelerate the fastest?
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Answer:

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You have a circuit of three resistors in series connected to a battery. You add a fourth resistor, also in series, to the combin
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