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26 Oct 2009 22:23:25 IST

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what is projectil motion?

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what is projectil motion?

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Vijay Pal

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26 Oct 2009 22:27:11 IST

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when a object is projected with a initial velocity at an angle @ from the horizontal/vertical then this type of motion is called projectile motion,in this motion the path of object is parabolic,example of this type of motion is :motion of bomb,motion of stone projected by any man or child.

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26 Oct 2009 22:32:26 IST

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a projectile motion is a motion of a particle projected in to the air.

its path is a parabola its angle of projection is theta.with velocity 'u' it can resolved in to two components i.e on x axis is ucos theta, and usin theta on y axis . its horizontal velocity is 'u cos theta ' which is constrant as there is no accerleration

but there is vertical accleration i.e -g so the vertical velocity changes with time and position. using this we can find max. height reached , time of flight and also range i.e horizontal distance travelled.

refer class 11 NCERT

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