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CBSE Class 9 Answered

a stone is thrown vertically up wards by Aman.it returns to his hand in 3 sec.
Asked by | 15 Jun, 2009, 12:24: PM
answered-by-expert Expert Answer

Max. height = u2 / 2g

also, time, t = u/ g

                 or, u = gt

so,  max. height = g2t2 / 2g

                              = g t2 / 2

                              = 9.8 ( 32)/ 2

                              = 44.1 m

Answered by | 15 Jun, 2009, 01:09: PM

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