A staircase contains three steps each 10cm high and 20cm wide.what should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane?

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A staircase contains three steps each $10 c m$ high and $20 c m$ wide. What should be the minimum horizontal velocity of the ball rolling off the uppermost plane so as to hit directly the lowest plane? (in $m s^{- 1}$ )

Q. A staircase contains three steps each 10 cm high and 20 cm wide (figure 3−E9). What should be the minimum horizontal velocity of a ball rolling of the uppermost plane so as to hit directly the lowest plane?

Figure

Q. A staircase contains three steps each

10 c m

high and

20 c m

wide (Figure). What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane. ?

Q. A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off
the uppermost plane so as to hit directly the lowest plane

A staircase contains three steps each 10 cm high and 20 cm wide figure. What should be the minimum horizontal velocity of a ball rilling off the uppermost plane so as to hit directly the lowest plane?

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