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3 years ago

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Tần số của dao động duy trì

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AfilCa [17]3 years ago

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Amman oak smoke skins kaons

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Which of the following is NOT a benefit of cool down activities?

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Answer:

Blood is moved away from the brain

Explanation:

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3 years ago

2. What current flows through a hair dryer plugged into a 110 Volt circuit et it as a te

JulsSmile [24]

Explanation:

V =I*R

I= V/I

I=110/25

I= 4.4 Amps

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3 years ago

The sound level at 1.0 m from a certain talking person talking is 60 dB. You are surrounded by five such people, all 1.0 m from

Hunter-Best [27]

Answer:

66.98 db

Explanation:

We know that

$L_T=L_S+10log(n)$

L_T= Total signal level in db

n= number of sources

L_S= signal level from signal source.

$L_T=60+10 log(5)$

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Does a satellite have its greatest speed when it is closest to or farthest from earth?

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When it is closest to the earth.

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