A particle is projected from ground with minimum speed required to hit a target at a height h = 10 m at a horizontal distance d = 
m as shown. Then find the time taken by particle (in seconds) to hit the target. (g = 10 m/s 2 )
Text Solution
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CHECK THE SOLUTION.
Ans. 2
Sol. u min = 
= 10 
m/s
and tan θ = 
⇒ θ = 60°
∴ t = 
= 
= 2
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