A body is thrown vertically upwards and rises to a height of 10m. The velocity with which the body was thrown upwards is : (g = 9.8 $m / s^{2}$ )

16 m/s

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15 m/s

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14 m/s

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12 m/s

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Solution

The correct option is C
14 m/s

Here,

v = 0 , h = 10m , a = -9.8 $m / s^{2}$

Using , $v^{2}$ = $u^{2}$ + 2ah

0 = $u^{2}$ - (2 x 9.8 x 10)

$u^{2}$ = 196

u = 14 m/s

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A body is thrown vertically upwards and rises to a height of 10m. The velocity with which the body was thrown upwards is : (g = 9.8m/s2)

The correct option is C 14 m/s Here, v = 0 , h = 10m , a = -9.8 m/s2 Using , v2 = u2 + 2ah 0 =u2 - (2 x 9.8 x 10) u2 = 196 u = 14 m/s

A body is thrown vertically upwards and rises to a height of 10m. The velocity with which the body was thrown upwards is : (g = 9.8 $m / s^{2}$ )

The correct option is C
14 m/s

Here,

v = 0 , h = 10m , a = -9.8 $m / s^{2}$

Using , $v^{2}$ = $u^{2}$ + 2ah

0 = $u^{2}$ - (2 x 9.8 x 10)

$u^{2}$ = 196

u = 14 m/s