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4 years ago

HELPPPPPP PLEASE ASAP WILL MARK BRAINLIST

Physics

1 answer:

Mnenie [13.5K]4 years ago

5 0

Answer:

I think the answer is the last one, but I don´t really know much about science. But I REALLY need to be marked brainlist, PPPPPPPLLLLLLEEEEAAAASSSSEEE!!!!!!

Explanation:

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What does the spinal cord on a sheep brain do

Leviafan [203]

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3 years ago

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A hydraulic press has one piston of diameter 4.0 cm and the other piston of diameter 8.0 cm. What force must be applied to the s

yan [13]

Answer:

The force is $F_1 = 400.8 \ N$

Explanation:

From the question we are told that

The first diameter is $d_1 = 4.0 \ cm = 0.04 \ m$

The second diameter is $d_2 = 8.0 \ cm = 0.08 \ m$

Generally the first area is

$A_1 = \pi * \frac{d^2_1 }{4}$

=> $A_1 = 3.142 * \frac{0.04^2}{4}$

=> $A_1 = 0.00126 \ m^2$

The second area is

$A_2 = \pi * \frac{d^2_2 }{4}$

$A_2 = 3.142 * \frac{0.08^2}{4}$

$A_2 = 0.00503 \ m^2$

For a hydraulic press the pressure at both end must be equal .

Generally pressure is mathematically represented as

$P = \frac{F}{A}$

$\frac{F_1}{A_1 } = \frac{F_2}{A_2 }$

=> $F_1 = \frac{1600}{0.00503} * 0.00126$

=> $F_1 = 400.8 \ N$

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3 years ago

4800 g to kg? With the work pls

Zigmanuir [339]

Answer:

[See Below]

Explanation:

✦ Formula = $Mass / 1000$

✧ $4800 / 1000 = 4.8$

So $4800$ grams is equal to $4.8$ kilograms.

~<em>Hope this helps Mate. If you need anything feel free to message me. </em>

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4 years ago

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Were is the table at?

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4 years ago

Two objects of the same size will always have the same mass ? Is this statement correct

vlabodo [156]

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Explanation:

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3 years ago

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