Question

A stair case contains ten steps each 10 cm high and 20 cm wide. The minimum
horizontal velocity with which the ball has to be rolled off the upper most step, so as
to hit directly the edge of the lowest step is (approximately).
1) 42ms-1
2)4.2ms-1
3) 24ms-1​

Answer 1

Answer:

I think answer is option 2

Answer 2

I THINK OPTION 2 IS THE CORRECT ANSWER

Explanation:

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