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Contact [7]
3 years ago
5

Current can flow only downhill in a water conduit because of:

Physics
2 answers:
anygoal [31]3 years ago
5 0

Answer:

Gravity

Explanation:

Gravitational force is acting on every object on this Earth and the direction is downwards. The same force will be acting naturally on the water current as well. As the force will be acting downwards the water current will always be downhill. If you need the water to flow uphill you will need to apply external force on water to make it move upward.

pishuonlain [190]3 years ago
3 0
Current can flow only downhill in a water conduit because of "gravity". Gravity pushes everything here on earth downwards. If a water is situated in a tank the higher tank is lifted up the more water will flow. The water can only flow uphill if there is an energy that provides to move it upward.  
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Answer:

The magnitude of the torque due to gravity if it is supported at the 28-cm mark is 0.5 N-m.

Explanation:

Given that,

Mass of the meter stick, m = 0.3 kg

Center of mass is located at its 45 cm mark.

We need to find the magnitude of the torque due to gravity if it is supported at the 28-cm mark. Torque acting on the object is given by :

\tau=r\times F\\\\\tau=(45-28)\times 10^{-2}\times 0.3\times 9.79\\\\\tau=0.499\ N-m

or

\tau=0.5\ N-m

So, the magnitude of the torque due to gravity if it is supported at the 28-cm mark is 0.5 N-m.

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Which one of the following has exactly 3 significant figures?
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Which celestial body would have the strongest gravitational pull on a satellite orbiting 100 km above its surface? Explain your
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NNADVOKAT [17]

From the diagram The value of cos C × sin A = \frac{3}{4}

<h3>Determine the numerical value of cos C × sin A</h3>

First step : determine the values of cos C and sin A

cos C = adjacent / hypotenuse

          = a / b

          = \sqrt{3}  / 2

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sin A = sin 60⁰

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Therefore the numerical value of cos C * sin A = \frac{3}{4}

In conclusion From the diagram The value of cos C × sin A = \frac{3}{4}

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