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aniked [119]
3 years ago
9

12. A measuring cylinder has 150ml. of water in it. When a stone is immersed into the measuring cylinder, the water level raised

to 210cm. What is the volume of the stone?​
Physics
2 answers:
Serga [27]3 years ago
5 0
<h2>Correction: </h2>

The final level of water should be = 210

{cm}^{3}

or 210 ml

━━━━━━━━━━━━━

<h2>Given:</h2>
  • .Initial level of water = 150ml
  • Final level of water = 210 ml

━━━━━━━━━━━━━

<h2>Need to find:</h2>
  • Volume of stone =?

━━━━━━━━━━━━━

<h2>Solution:</h2>

The volume of stone will be equal to the change in level of water.

that's,

210 - 150 {cm}^{3}

= 60{cm}^{3}

Hence the <em>volume</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>stone</em><em> </em><em>is</em><em> </em><em>60</em><em> </em>{cm}^{3}

skelet666 [1.2K]3 years ago
4 0

Answer:

60ml

Explanation:

I'm going to assume you mean 210ml not centimeters. To find the volume all we do is subtract both values or with the formula [ f - i = v ]  where f = final amount and i = initial amount.

210 - 150 = 60ml

Best of Luck!

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Steam enters a counterflow heat exchanger operating at steady state at 0.07 MPa with a specific enthalpy of 2431.6 kJ/kg and exi
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Answer:

Explanation:

Given:

Steam Mass rate, ms = 1.5 kg/min

= 1.5 kg/min × 1 min/60 sec

= 0.025 kg/s

Air Mass rate, ma = 100 kg/min

= 100 kg/min × 1 min/60 sec

= 1.67 kg/s

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Using the equation for specific enthalpy,

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The specific enthalpy of the outlet, h2 = hf

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B.

Rate of enthalpy (heat exchange), Q = mass rate, ms × change in specific enthalpy

= ms × (hi - h2)

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