If a ball is thrown vertically upwards with 40 m/s its velocity after two second will be:-

10 m/s

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20 m/s

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30 m/s

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40 m/s

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Solution

The correct option is B 20 m/s
velocity after 2 sec.
$v = 40 + (- 10) t = 40 - 10 * 2 = 20 m / s$

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If a ball is thrown vertically upwards with 40 m/s its velocity after two second will be:-

The correct option is B 20 m/svelocity after 2 sec. v=40+(−10)t=40−10∗2=20m/s

The correct option is B 20 m/s
velocity after 2 sec.
$v = 40 + (- 10) t = 40 - 10 * 2 = 20 m / s$