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Lapatulllka [165]
3 years ago
9

In a single movable pulley, a load of 500 N is lifted by applying 300 N effort. Calculate MA, VR and efficiency.​

Physics
1 answer:
galben [10]3 years ago
6 0

Answer:

in pulley there are different kinds.but the most common one are fixed,moveable and compound pulley. in this question we asked about movable pulley.

Explanation:

Given request solutions

L=500N a,M.A=? a,M.A=L/E =5/3

E=300N b,V.R=? b,V.R=2

c,efficiency =? c,£=M.A/V.R=5/6

£=IS NOT THE REAL SYMBOLS OF EFFICIENCY BUT I IS LOOK LIKE THIS

I THINK I HELPED

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.Answer;

Using Fmax=qVB

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ANS=1.29*10^-12 N

2. Using Amax=Fmax/ m

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ANS=1.93*10^15 m/s^2*

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3 0
3 years ago
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OLEGan [10]

Answer:

(e)6.835\times 10^{-7}F

Explanation:

At resonance we know that X_l=X_C

That is \omega L=\frac{1}{\omega C}

\omega ^2=\frac{1}{LC}

\omega =\frac{1}{\sqrt{LC}}

f=\frac{1}{2\pi \sqrt{LC}}

We have given resonance frequency f =4511 Hz and inductance L=1.82 mH

So 4511=\frac{1}{2\pi \sqrt{LC}}

LC=\frac{1}{4\pi ^2\times 4511^2}

LC=1.244\times 10^{-9}

C=\frac{1.244\times 10^{-9}}{1.82\times 10^{-3}}=0.6835\times 10^{-6}=6.835\times 10^{-7}F

So option e is the correct answer

3 0
3 years ago
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3 years ago
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Zina [86]
The angle is found by taking the arctangent of the vertical angle divided by the horizontal angle
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36° is the closest answer.
4 0
3 years ago
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Mice21 [21]

Answer:

because ionic bonds are strong, a lot of energy is needed to break them. They are all solids at room temperature.

Explanation:

3 0
3 years ago
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