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Sav [38]
3 years ago
5

Una grúa eleva un tubo de concreto de

Physics
1 answer:
frozen [14]3 years ago
7 0

Explanation:

Hydraulic Pressure-Control, On-Off Deluge Valve

FP-400Y-5DC

The BERMAD model 400Y-5DC is an elastomeric, hydraulic line pressure operated deluge valve, designed specifically for advanced fire protection systems and the latest industry standards. The 400Y-5DC is activated by a hydraulically operated relay valve, through which opening and closing of the valve can be controlled either with a remote hydraulic command or with a wet pilot line with closed fusible plugs. An integral pressure reducing pilot valve ensures a precise, stable, pre-set downstream water pressure. The optional valve position indicator can include a limit switch suitable for Fire & Gas monitoring systems. The 400Y-5DC is ideal for systems that combine a remote wet pilot line with a high pressure water supply.

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Mrs. Roberts' class was designing science experiments. Carl and his partner decided to use the outdoor classroom as their labora
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I think it is B maybe
4 0
3 years ago
A 20-newton weight is attached to a spring.
Makovka662 [10]

Answer:

40 N/m

Explanation:

The diagram attached is used to answer the question

We know from Hooke's law that extension is directly proportional to the applied force hence

F=kx where x is extension, F is applied force and k is the spring constant. Making k the subject of the formula then

k=\frac {F}{k}

From the attached diagram extension is given by subtracting unstretched spring from stretched spring hence extension, x=1-0.5=0.5m

Substituting 20 N for F and 0.5 m for x then

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8 0
3 years ago
While driving fast around a sharp right turn, you find yourself pressing against the car door. What is happening?
sergiy2304 [10]

Answer:

option C

Explanation:

The correct answer is option C

When the driver takes the sharp right turn the door will exert rightward pressure on the driver.

When the driver takes the sudden right turn the tendency of the body is to be in the straight line by the vehicle moves in the circular path so, as the vehicle turns it applies a rightward force on you.

The pushing of the door to you because of the centripetal force acting on the car due to sudden sharp turn.

3 0
3 years ago
Does gravity cause physical weathering or chemical weathering
Kazeer [188]
I think it causes physical weathering
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3 years ago
Plz answer this asap no explanation needed answer both questions first answer gets brainliest
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Answer:

8) d

9) c

<em>Hope this helps! :)</em>


5 0
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