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3 years ago

15

of these layers of the atmosphere, which has the greatest air pressure? A. mesosphere B. stratosphere C. exosphere D. tropospher

e.

2 answers:

Mamont248 [21]3 years ago

7 0

The answer is B.stratosphere

cestrela7 [59]3 years ago

5 0

The answer is b. stratosphere

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Answer: I think the answer is C

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Answer:

$f=145.29Hz$

Explanation:

The centripetal force is given by:

$F_c=ma_c(1)$

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Replacing (4) in (1) and solving for f:

$F_c=m4\pi^2 f^2r\\\\f=\sqrt{\frac{F_c}{4m\pi^2r}}\\f=\sqrt{\frac{4*10^{-11}N}{4(3*10^{-16}kg)\pi^2(16*10^{-2}m)}}\\f=145.29Hz$

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3 years ago

What is a lever and mention its types<br>

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Answer:

Three different types of levers exist, depending on where the input force, fulcrum, and load are. A class 1 lever has the fulcrum between the input force and load. A class 2 lever has the load between the fulcrum and input force. A class 3 lever is a lever that has the input force in between the fulcrum and the load.

Explanation:

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