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Orlov [11]
3 years ago
8

If you push hard enough to make a scale read 9 pounds, that is about 40 Newtons. So Newtons are a smaller unit... True or False

Physics
1 answer:
Evgesh-ka [11]3 years ago
3 0

True.

Why?

To know if the statement is true or false, we just need to use the following convertion factor:

1lb(force)=4.44N

or

1N=0.22lbf

Now, converting from pounds to Newtons, we have:

9lb*\frac{4.44N}{1lb}=39.96lb=40lb

Hence, the statement is true.

Have a nice day!

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3 years ago
At resonance, what is impedance of a series RLC circuit? less than R It depends on many other considerations, such as the values
denis23 [38]

Answer:

at resonance impedence is equal to resistance and quality factor is dependent on R L AND C all

Explanation:

we know that for series RLC circuit impedance is given by

Z=\sqrt{R^2+\left ( X_L-X_C \}right )^2

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Z=R so at resonance impedance of series RLC is equal to resistance only

now quality factor of series resonance is given by

Q=\frac{\omega L}{R}=\frac{1}{\omega CR}=\frac{1}{R}\sqrt{\frac{L}{C}}  so from given expression it is clear that quality factor depends on R L and C

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3 years ago
If you speed up from rest to 12m/s in 3 seconds, what is your acceleration?
boyakko [2]


b) 4m/s/s

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3 years ago
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likoan [24]

Answer:

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The acceleration = change in velocity ÷ time = 5 m/s ÷ 2 s = 2.5 m/s^2

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3 years ago
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