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Questions in Physics tagged with "Physics"

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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

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  i have passed b.sc ph,com,math now i want to do m.sc in nuclear physics pls tell me collegs and these entrance exam whose offer m.sc nuclear physics

  Posted by rajesh9785549529 on Nov 29, 2009 at 02:29 AM

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  A 10kg chandelier lamp is hanged by a 2m rope from a 6 m height ceiling. Calculate the potential energy of the lamp from the ceiling.

  Posted by yan2424 on Nov 23, 2009 at 12:55 PM

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  How does the force of gravity between two bodies change when the distance between them doubles?

  Posted by kela000 on Nov 23, 2009 at 04:51 AM

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  A 1.98 kg ball is attached to a ceiling by a 2.1 m long string. The height of the room is 5.95 m. The acceleration of gravity is 9.8 m/s2.

  Posted by juniormax on Nov 20, 2009 at 11:39 AM

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  By what factor does the kinetic energy of a car change when its speed is tripled?

  Posted by hrrjack on Nov 20, 2009 at 07:14 AM

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  If the velocity of an object quadruples while falling, by what factor would the kinetic energy and momentum increase, respectively?

  Posted by lala25 on Nov 20, 2009 at 07:12 AM

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  A shopper in a supermarket pushes a cart with a force of 38 N directed at an angle of 25 ◦ downward from the horizontal.

  Posted by stepiigza on Nov 13, 2009 at 10:26 PM

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  How can I increase the force exerted by magnets, so as to be able to launch small metallic pebbles?

  Posted by mando on Nov 12, 2009 at 03:12 PM

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  What precautions do we need to take while measuring time intervals using a simple pendulum?

  Posted by rasesh1 on Nov 8, 2009 at 02:20 AM

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  I need urgent physics help.

  Posted by seraphina on Nov 1, 2009 at 05:22 PM

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  site some difference between group velocity and phase velocity

  Posted by akhi9706139089 on Oct 14, 2009 at 01:07 AM

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  How do I solve this question: T1sin37 + T2sin45 - 98 = 0

  Posted by mleroy2005 on Oct 9, 2009 at 07:28 PM

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  How long will the acceleration of 10 m/2 take place if the bus will run 25m/s and will change to 15 m/s?

  Posted by yrcah on Oct 6, 2009 at 05:04 AM

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  What is the magnitude of the total force on the ball?

  Posted by jharry23 on Sep 22, 2009 at 08:28 AM

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  Why does one need to exert different amount of force when using the three classes of levers?

  Posted by limjiahui on Sep 16, 2009 at 04:27 AM

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  Where does the current of a lightning go after passing through the lightning cord which is extended to the ground?

  Posted by limjiahui on Aug 26, 2009 at 03:22 AM

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  Information about the SAT exam? I'm a bit confused........ Help me please......

  Posted by suvetha on Aug 24, 2009 at 11:04 PM