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Questions in Physics tagged with "Physics"

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  What is the mass of air in a room measuring 5m X 10m X 10m?

  Posted by mahmuda092569 on Dec 20, 2009 at 08:50 AM

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  In finding the density or relative density of a liquid, why is a method using a density bottle more accurate than one involving

  Posted by lucky092569 on Dec 20, 2009 at 08:46 AM

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  What is the volume of 2400 kg of petrol?

  Posted by syedajmain on Dec 19, 2009 at 05:25 AM

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  Nitrogen pressure is p=64*10^3 (N/m^3) and thermal speed, vt=400(m/s). Knowing NA=6.023*10^23 (molecules/mol) and mN=28*10^-3 (Kg/mol).

  Posted by realcomplexnr on Dec 18, 2009 at 01:16 AM

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  In finding the density or relative density of a liquid, why is a method using a density bottle more accurate than one involving the use of ..

  Posted by lucky092569 on Dec 17, 2009 at 06:14 AM

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  Draw diagrams to show or instruct to draw a drawing pin in positions of stable, unstable and neutral equilibrium.

  Posted by arman7763 on Dec 16, 2009 at 11:54 PM

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  A cone is little bit tilted towards left leaving left corner still touching to the ground. Show the forces acting on the cone. Explain why the..

  Posted by syedajmain on Dec 16, 2009 at 11:44 PM

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  Explain the energy loss in the system below, considering heat, sound, and deformation.

  Posted by greg786 on Dec 16, 2009 at 06:17 AM

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  What is the density of mercury in kg/m^3? What is it's density in g/cm^3? What is it's relative density?

  Posted by mahmuda092569 on Dec 15, 2009 at 06:58 PM

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  Water has a density of 1000kg/m^3; what does this mean? What is it's density in g/cm^3?

  Posted by arman7763 on Dec 15, 2009 at 08:13 AM

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    Water has a density of 1000kg/m^3; what does this mean? What is its density in g/cm^3?  

  Posted by syedajmain on Dec 15, 2009 at 07:39 AM

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  A bar is in equilibrium. From left end P, after 1m a 6N force acting downwards. From there, 2m towards right a point O acting a upward force of..

  Posted by lucky092569 on Dec 15, 2009 at 07:32 AM

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  On a plank AB a man standing 1m away from A towards B with a weight of 500 N and the distance from the man to B is 3m. the weight of plank is 200 N..

  Posted by mahmuda092569 on Dec 14, 2009 at 07:29 AM

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  A meter  rule balances at "O" 0.1m from the left end towards right end. At left end there is a downwards weight of 4N. Calculate the weight...

  Posted by syedajmain on Dec 13, 2009 at 11:53 PM

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  Evaluate the experiment below, identifying energy loss and errors, and access their effect on the efficiency?

  Posted by greg786 on Dec 9, 2009 at 07:14 PM

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  The maximum torque a bolt can withstand without breaking is 100 N m. A mechanic tightens the bolt with a spanner 0.25 m long. What is the ..

  Posted by arman7763 on Dec 9, 2009 at 07:35 AM

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  If you could connect the North and South poles via a tube and you fell into one of the openings, would you come out the other side?

  Posted by deonokin on Dec 8, 2009 at 07:59 PM

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  Can a bird fly in zero gravity?

  Posted by deonokin on Dec 7, 2009 at 07:37 PM

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  A girl is pushing on the handle of a lawnmower with a force of 100 N by making an angle of 30 degree with the ground. (a) Find the vertical .....

  Posted by lucky092569 on Dec 4, 2009 at 05:00 AM

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  Bird flies w/ speed of 12.2 over water, drops fish. a=gravity at 9.81. The alt. of bird=5.3. Air resistance=none. What is the bird speed at impact?

  Posted by madisonliz on Nov 29, 2009 at 06:50 PM