CBSE Class 11-science Answered
A man can throw a stone to a maximum distance of 80m.the maximum height to which it will rise in meter,is
Asked by bhrjitu | 20 Jul, 2019, 03:32: PM
Expert Answer
Horizontal range for projectile motion = (u2 × sin2α ) / g
where u is projection speed, α is projection angle
Hence maximum range Rmax is given by ( if α = 45 ), Rmax = u2 /g = 80 m ......................(1)
If stone is projected vertically and Hmax is maximum height reachable, then Hmax = u2/2g ...............(2)
using eqn.(1), maximum height Hmax = 80/2 = 40 m
Answered by Thiyagarajan K | 20 Jul, 2019, 09:22: PM
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