4 years ago

A prodect is defined as

Physics

1 answer:

Keith_Richards [23]4 years ago

5 0

<span>Product can be defined as a thing or person that is the result of an action or process</span>

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In addition to hot surface temperatures, which characteristic makes mercy different from earth

Luden [163]

Answer:

has no air on it and no animals or plants live there.

3 0

3 years ago

1. The electric potential outside a living cell is higher than inside the cell by 0.073 V. How much work is done by the electric

Nostrana [21]

Answer:

ΔW = 1.168 × 10 ⁻²⁰ Joule

Explanation:

Given:

Change in Electric potential Δ V=Vout - Vin=0.073 V

Charge on sodium ions q = 1.6 ×10 ⁻¹⁹ C (+ve because of Missing one electron)

Work done by the electric fore when a sodium ions moves from outside to inside the cell is the change in the Electric potential energy Uout -Uin = ΔU

we have

ΔW =ΔU = q ΔV

ΔW = 1.6 ×10 ⁻¹⁹ C × 0.073 V

ΔW = 1.168 × 10 ⁻²⁰ Joule

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3 years ago

A ruler vibrates 70 times in 20 seconds.what is the frequency of its vibration

Bad White [126]

Answer:

we know that that frequency= n/t

= 70/20

= 3.5 Hertz

Explanation:

i think that the answer

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3 years ago

Which theory (or theories) of dreaming do you believe is the best explanation for why we dream

Semmy [17]

Answer:that your subconscious is trying to tell you something

Explanation:

3 0

3 years ago

If the resultant of two velocity vectors of equal magnitude is also of the same magnitude, then which statement must be correct?

Tamiku [17]

The correct option is C) The angle between the vectors is 120°.

Why?

We can solve the problem and find the correct option using the Law of Cosine.

Let A and B, the given two sides and R the resultant (sum),

Then,

$R=A=B$

So, using the law of cosines, we have:

$R^{2}=A^{2}+B^{2}+2ABCos(\alpha)\\ \\A^{2}=A^{2}+A^{2}+2*A*A*Cos(\alpha)\\\\0=A^{2}+2*A^{2}*Cos(\alpha)\\\\Cos(\alpha)=-\frac{A^{2}}{2*A^{2}}=-\frac{1}{2}\\\\\alpha =Cos(-\frac{1}{2})^{-1}=120\°$

Hence, we have that the angle between the vectors is 120°. The correct option is C) The angle between the vectors is 120°

Have a nice day!

4 0

3 years ago