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3 years ago

8

What is the value of the resulting force and its direction acting on the following block: * 6N, left 1N, right 4N, left 1N, left

6N, right

1 answer:

kherson [118]3 years ago

5 0

1 N to the right as shown on photo

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The answer is A) Casting

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3 years ago

A positively charged insulating rod is brought close to an object that is suspended by a string. If the object is repelled away

Trava [24]

Answer

A) Positively charged two insulating rod are brought closed to an object they repel each other. It means the Object is positively charged. Because similar charge repel each other.

The correct answer is Option A.

B) we know force between to charges is calculated using Formula

$F = \dfrac{kQ_1Q_2}{r^2}$ .......(1)

form the given condition in the question

$F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r}{2})^2}$

$F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r^2}{4})}$

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from equation (1)

$F' = \dfrac{F}{4}$

hence, the correct answer is Option C.

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3 years ago

At what point in the cardiac cycle is pressure in the ventricles the highest (around 120 mm Hg in the left ventricle)?

skad [1K]

Answer:

Ventricular systole

Explanation:

This contraction causes an increase in pressure inside the ventricles, being the highest during the entire cardiac cycle. The ejection of blood contained in them takes place. Therefore, blood is prevented from returning to the atria by increasing pressure, which closes the bicuspid and tricuspid valves.

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3 years ago

Help pls will mark right answer

german

Answer:

Less

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3 years ago

How we will measure centimeters

Bingel [31]

Answer:

.

Explanation:

——»To measure centimeters, we can use ruler.

Use a ruler with the side marked either cm or mm. Align the edge of the object with the first centimeter line on the ruler, then find the length in whole centimeters, or the larger numbers on the ruler.

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2 years ago