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What is the minimum value of speed of projection so that a particle passes a given point P whose coordinates are (x,y) ??

What is the minimum value of speed of projection so that a particle passes a given point P whose coordinates are (x,y) ??

Grade:12

2 Answers

suchintan mondal
8 Points
12 years ago

 {g.(y+(x2+y2)1/2)}1/2

AskiitianExpert Shine
10 Points
12 years ago

Hi

Find the minimum velocity in y direction by taking the final velocity at y=y as zero, then calclate the time taken(T) to reach there by using the

eq. s= ut +/2 at2.  After that calculate the velocity in x direction by dividing x by the time taken(T) to reach y.

The two components obtained are added vectorially to get the minimum velocity to reach pt x,y .

 

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