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Nesterboy [21]
3 years ago
12

In science, all concepts are

Physics
1 answer:
Dmitry [639]3 years ago
6 0
Your answer will be C
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A pendulum is set in motion and time. The time measured for 20 complete swings is 308.
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Answer:

<em><u>solution</u></em>

<em>3</em><em>0</em><em>8</em><em>=</em><em>2</em><em>0</em><em> </em><em>swings</em><em> </em>

<em> </em><em>?</em><em>:</em><em>:</em><em>:</em><em> </em><em>=</em><em>1</em>

<em>(</em><em> </em><em>3</em><em>0</em><em>8</em><em>×</em><em>1</em><em>)</em><em>÷</em><em>2</em><em>0</em>

<em>3</em><em>0</em><em>8</em><em>÷</em><em>2</em><em>0</em>

<em>1</em><em>5</em><em>4</em><em>÷</em><em>1</em><em>0</em>

<em>=</em><em>1</em><em>5</em><em>.</em><em>4</em>

<em>=</em>15.4

6 0
4 years ago
(1) Expansion of concrete
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6 0
3 years ago
The action of property being taken directly from a person or in that person's presence must be an element in which type of crime
grin007 [14]

B, larceny because that's theft of personal property.

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3 years ago
A heavier car is always safer in a crash than a lighter car.
kvv77 [185]

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Explanation:

4 0
3 years ago
How much power does it take to lift a 30.0 n box 10.0 m high in 5.00 s, if you must apply a 62n force to lift the box?
Illusion [34]
Power is defined as the rate at which the body is doing work:
P=\frac{W}{t}
Work is defined as displacement done by the force times that displacement:
W=F\cdot h
We know that we need 62N to move the box, so when we apply this force along the path of 10m we have done:
W=62N\cdot10m=620J
of work.
Now we just divide that by 5s to get how much power is required:
P=\frac{620J}{5s}=124W
5 0
3 years ago
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