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Home / Doubts and Solutions/JEE/Physics

Pls send the detailed solution with explanation 

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Asked by g_archanasharma 18th April 2018, 10:22 AM
Answered by Expert
Answer:
The given graph shows, vy the vertical component of velocity reaches 0 value at t = (1/2)s, when x-displacement is 2 m.
 
we have the equation for x-displacement : x = v0cosθ0 t  ..............(1)
 
if we substitute x = 2 and t = (1/2) in the above equation , we get  initial x-component velocity v0cosθ0 = 4 m/s
 
we have the equation for y-component velocity:   vy = v0sinθ0 - ( g × t ), 
let us substitute vy = 0 and t = 1/2 in the above equation, then we get  initial y-component v0sinθ0 = 5 m/s
Answered by Expert 18th April 2018, 10:53 AM
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