An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity?. How long will the object take to come back to the earth?.Assume g=m/s2 1 100 m/s and 20s 2 120 m/s and 10s 3 140 m/s and 15s 4 None of these Previous
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Answer:
Therefore initial velocity is 100m/s.
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Explanation:
total time taken=20sec
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