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3 years ago

5

in terms of loudness and pitch how would you compare the sounds made by a mosquito flying near your ear and the croaking of a bu

llfrog ?

1 answer:

77julia77 [94]3 years ago

6 0

The mosquito would have a higher pitch but quiet and the croaking bullfrog would be a lower pitch but loud.

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What is the magnitude of the electric field on a +2 C charge if it experiences an electric force of 6 N?

MrMuchimi

Answer:

call me 7164013838 hurry bye

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2 years ago

An astronaut is in space with a baseball and a bowling ball. The astronaut pushes both objects in the same direction. If both ba

Crazy boy [7]

Answer:

As a mass greater than that of baseball, at the moment of the bowling wave the moment of the baseball ball is also greater

Explanation:

This problem is an application of momentum and momentum. When the astronaut pushed balls, he needed more force to move the ball of greater mass (bowling). The expression for soul is

p = m v

Besibol Blade

p1 = m1 v

Bowling ball

p2 = m2 v

As a mass greater than that of baseball, at the moment of the bowling wave the moment of the baseball ball is also greater

p2 >> p1

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3 years ago

A bug is sitting on the edge of a rotating disk. At what angular velocity will the bug slide off the disk if its radius is 0.241

Ivahew [28]

Answer:

ω = 3.61 rad/sec

Explanation:

Firstly, we should know that the bug will not slip if friction can provide sufficient opposing force.

μmg = mv^2/r = mω^2r

Thus;

μg = ω^2r

ω^2 = μg/r

ω = √(μg/r)

ω = √(0.321 * 9.8)/0.241

ω = √(13.05)

= 3.61 rad/sec

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3 years ago

A potential difference of 107 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative r

sergij07 [2.7K]

Answer:

The workdone is $W = 1.712 *10^{-20 } \ J$

Explanation:

From the question we are told that

The potential difference is $V = 107 mV = 107 *10^{-3} \ V$

Generally the charge on $Na^{+}$ is $Q_{Na^{+}} = 1.60 *10^{-19 } \ C$

Generally the workdone is mathematically represented as

$W = Q_{Na^{+}}V$

=> $W = 1.60 *10^{-19 } * 107 *10^{-3}$

=> $W = 1.712 *10^{-20 } \ J$

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3 years ago

Bacteria which do not live in extreme conditions are found in this kingdom:

ruslelena [56]

The bacteria that doesn’t live in extreme conditions is Eubacteria

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2 years ago

Read 2 more answers