Kinematics-11

JEE Mains 2015 Papers › Mechanics questions › Kinematics-11

A particle is projected from a point on the level ground and its height is h when at horizontal distance a and 2a from its point of projection. Find the velocity of projection.

#Physics #Mechanics

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2 Answers

1133

Sourish Ghosh ·2013-06-10 08:25:34

âˆš[g(9h² + 4a²4h]

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Akash Anand Good work ..try to put the solution in crisp equations only.
Upvote·0· Reply ·2013-06-10 23:49:08
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1133

Sourish Ghosh ·2013-06-11 03:17:27

h = atanÎ¸(1 - aR)
h = 2atanÎ¸(1 - 2aR)

Therefore, R = 3a
find tanÎ¸ from one of the equations.
find v from equation of range.

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Basic Integral Calculus Operators Symbols Matrix Cases

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