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Rudiy27
2 years ago
10

A spring vibrates 120 times in 2 mins find its frequency and time period​

Physics
1 answer:
german2 years ago
3 0

2 minutes is 120 seconds, so if you were finding vibrations per minute, it would be 60 times a minute.

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Your high-fidelity amplifier has one output for a speaker of resistance 8 Ω. How can you arrange two 8-Ω speakers, one 4-Ω speak
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Answer:

(a) 8Ω (b)  Ratio = Parra/P8 ohm = 1

Explanation:

Solution

Recall that,

An high-fidelity amplifier has one output for a speaker of resistance of = 8 Ω

Now,

(a) How can  two 8-Ω speakers be  arranged, when one =  4-Ω speaker, and one =12-Ω speaker

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Explanation:

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