In this problem 'up' is taken to be positive. A ball thrown vertically upward with an initial velocity of 19.6 $m / s$ , after 5 s has a velocity of

19.6 m / s

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19.6 m / s

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29.4 m / s

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29.4 m / s

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Solution

The correct option is C - $29.4 m / s$
Here,

$u = 19.6 m / s$

$t = 5 s$

$a = - g = - 9.8 m / s^{2}$

$v = ?$

Using $v = u + a t$

We gaet,

$v = 19.6 - (9.8 \times 5) = - 29.4 m / s$

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In this problem 'up' is taken to be positive. A ball thrown vertically upward with an initial velocity of 19.6 m/s, after 5 s has a velocity of

The correct option is C -29.4m/sHere,u=19.6m/st=5sa=−g=−9.8m/s2v=?Using v=u+atWe gaet,v=19.6−(9.8×5)=−29.4m/s

In this problem 'up' is taken to be positive. A ball thrown vertically upward with an initial velocity of 19.6 $m / s$ , after 5 s has a velocity of

The correct option is C - $29.4 m / s$
Here,

$u = 19.6 m / s$

$t = 5 s$

$a = - g = - 9.8 m / s^{2}$

$v = ?$

Using $v = u + a t$

We gaet,

$v = 19.6 - (9.8 \times 5) = - 29.4 m / s$