Question

Please answer the above question . Step by step.
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Answer 1

Answer:

Initial velocity = 20 m/s

Explanation:

Given:

Time taken t = 20 s

Acceleration a = -2 m/s²

Final velocity v = 0

From the equation v = u + at, we have

u = v - at

⇒ u = 0 - (-2) * 20

⇒ u = 20 m/s

Therefore,

Initial velocity = 20 m/s

Hope it helps!