A projectile is launched from point O at an angle of 22° with an initial velocity of 15 m/s up an incline plane that makes an angle of 10° with the horizontal. The projectile hits the incline plane at point M. a. Find the time it takes for the projectile to hit the incline plane.
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Answer:
there's a formula I've boxed in the working. you have to use that formula to shorten your calculations. the formula might not be taught in school level, but it is surely important for JEE MAINS and ADVANCED level.
Explanation:
first see the right side diagram, then the left diagram, . Also, I've take acceleration due to gravity as 10m/s^2, instead of 9.8 m/s^2, for convenience.
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