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3 years ago

A stationary object has no forces acting on it. Question 8 options: True or False

Chemistry

2 answers:

svp [43]3 years ago

4 0

Your answer would be false. Hope this helps!

Gwar [14]3 years ago

3 0

False because gravity must be acting upon it. :)

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Which type of energy uses the photoelectric effect?

ikadub [295]

Answer:

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2 years ago

How much time would it take to distribute one avagadro's number of wheat grains if 10^10 grains are A)1.9*10^2 years B)1.9*10^10

Makovka662 [10]

Answer:

It takes 1.9 $\times 10^{6}$ years to distribute all the grains.

Explanation:

In one second, $10^{10}$ grains of wheat are distributed.

We are supposed to find the time it would take to Distribute Avogadro number of grains.

1 avogadro number = 6.022 $\times 10^{23}$

Number of grains distributed in 1 day = 86400 $\times 10^{10}$

= 8.64 $\times 10^{14}$

Number of grains distributed in 1 year= 8.64 $\times 10^{14} \times 365$

= 3.1536 $\times 10^{17}$

Time taken = $\frac{Number of grains to be distributed}{grains distributed in 1 year}$

= $\frac {6.022 \times 10^{23}}{3.1536\times 10^{17}}$

= 1.9 $\times 10^{6}$

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Can radiation take place in solids, liquids, and gasses?

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Yes<em>!</em>

Explanation:

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