Question

A body is thrown vertically upwards with a speed of 20 m/s.how high will it be after 2 second? (g=10m/s2)

A  100m

B  20m

C  98m

D  50m

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Answer 1

Answer:

Explanation:

20 M

MARK BRAINLIST

Answer 2

Answer:

Initial velocity , u=20 m/s

Since, the ball is thrown upward, so 2nd equation of motion will be given by,

S=$u \: t \: - \frac{1}{2} \: g \: {t}^{2}$

⇒S= $20 \times 2 - \frac{1}{2} \times 10 \times {2}^{2 } = 20m$