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A ball is thrown vertically upward a velocity of 14 m/s. Calculate 1. The maximum height attained 2.The time taken by it before it reaches the ground again?
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A ball is thrown vertically upward a velocity of 14 m/s. Calculate 1. ...
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A ball is thrown vertically upward a velocity of 14 m/s. Calculate 1. ...
1.U= 14 m/s
v= 0 m/s   (since we need to find maximum height)
a= -9.8 m/s^2

s= (v^2 - u^2)/2a
 =  (0-196)/-19.6  = -196/19.6 = 10m
 Thus the maximum height reached by the stone is 10m.
2.t=?
a=v-u/t,
-9.8=0-14/t,
t=-14/-9.8=1.4285 sec
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A ball is thrown vertically upward a velocity of 14 m/s. Calculate 1. The maximum height attained 2.The time taken by it before it reaches the ground again?
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