Recent content by heraclius

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    Revolutions of a driving shaft

    Homework Statement How many revolutions does a driving shaft of an eight cylinder four stroke engine perform until every cylinder has ignited once ? Homework Equations 4 - 8 - 6 - 2 The Attempt at a Solution Moreover, I would like to have information and understand the logical...
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    Volume Change with Temperature Increase at Constant Pressure?

    And also 1 small thing : why did you convert the temperature to Kelvin instead of solving by Celsius? Is it a rule? Because it's the point that I couldn't solve the problem. Thanks in advance ...
  3. H

    Volume Change with Temperature Increase at Constant Pressure?

    Oh ok * now it's all clear! Thank you for your kind answer!
  4. H

    Frozen and liquid kerosene difference?

    I don't know. It's totally this! I think it's solid and then frozen kerosene and it's put into a just solid one... ?
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    Frozen and liquid kerosene difference?

    Homework Statement a ball made of keroseneis put into a liquid kerosene.What happens? Homework Equations ball descends ball floats ball hovers first descends, then ascends. The Attempt at a Solution can anyone help me what kind of kerosene thing is and explain the behaviour of...
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    Volume Change with Temperature Increase at Constant Pressure?

    First thank you very much for the quick reply but I couldn't understand what you mean by : Same applies for same instance when temperature is raised to 275 deg C: Pressure2*Volume2 = constant = Temperature2 why you do " pressure2* " , it means "to square" ?
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    Calculating Effect of Wind on Sprint Time: Why?

    Hello guys, could you please help me to solve this problem? A student normally needs 15 seconds for a 100m sprint. One day favorable wind conditionshelp her to increase her speed by 2km//h. What is her time now? A) aprx. 13,8 sec. B) aprx. 13,6 sec. C) aprx. 13 sec. D) aprx. 14,2...
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    Volume Change with Temperature Increase at Constant Pressure?

    Hello guys! Can someone explain me the answer of that question ? 1 litre of oxygen has temperature of 0 Celsius. What happens to the volume if the temperature is raised to 275 Celsius, keeping the pressure constant?
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