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3 years ago

Fill in the blanks to complete the sentence.

Physics

2 answers:

OverLord2011 [107]3 years ago

6 0

Answer:

Particle and wave

Explanation:

mina [271]3 years ago

4 0

The answer is:

Fill in the blanks to complete the sentence.

Light acts like a PARTICAL when it bounces off surfaces,

and acts like a WAVE when it bends around objects.

I hope this helps you :>

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External respiration takes place in the .....?

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2 years ago

The current supplied by a battery as a function of time is I(t) = (0.88 A) e^(-t*6 hr). What is the total number of electrons tr

Degger [83]

Answer:

e. 1.2 x 10²³

Explanation:

According to the problem, The current equation is given by:

$I(t)=0.88e^{-t/6\times3600s}$

Here time is in seconds.

Consider at t=0 s the current starts to flow due to battery and the current stops when the time t tends to infinite.

The relation between current and number of charge carriers is:

$q=\int\limits {I} \, dt$

Here the limits of integration is from 0 to infinite. So,

$q=\int\limits {0.88e^{-t/6\times3600s}}\, dt$

$q=0.88\times(-6\times3600)(0-1)$

q = 1.90 x 10⁴ C

Consider N be the total number of charge carriers. So,

q = N e

Here e is electronic charge and its value is 1.69 x 10⁻¹⁹ C.

N = q/e

Substitute the suitable values in the above equation.

$N= \frac{1.9\times10^{4} }{1.69\times10^{-19}}$

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Explanation:

hope it helps

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