a body projected up reaches a point A in its path at the end of 4 th second and reaches the ground after 5 seconds from start . the height of A above the ground is? 1]19.6m 2]30.6m 3]11m 4]20m

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Satyam Kumar · Answer

Time of flight = 2u/g Substituting values of t and g we get u=24.5m/s using s=ut+0.5at 2 , s=24.5(4) + 0.5(-9.8)(4) 2 s=19.6 m

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a body projected up reaches a point A in its path at the end of 4 th second and reaches the ground after 5 seconds from start . the height of A above the ground is? 1]19.6m 2]30.6m 3]11m 4]20m

a body projected up reaches a point A in its path at the end of 4^th second and reaches the ground after 5 seconds from start . the height of A above the ground is?
1]19.6m
2]30.6m
3]11m
4]20m

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a body projected up reaches a point A in its path at the end of 4 th second and reaches the ground after 5 seconds from start . the height of A above the ground is? 1]19.6m 2]30.6m 3]11m 4]20m

a body projected up reaches a point A in its path at the end of 4th second and reaches the ground after 5 seconds from start . the height of A above the ground is?1]19.6m2]30.6m3]11m4]20m

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a body projected up reaches a point A in its path at the end of 4^th second and reaches the ground after 5 seconds from start . the height of A above the ground is?
1]19.6m
2]30.6m
3]11m
4]20m