CBSE Class 11-science Answered
when the effect of aerodynamic drag is included,the acceleration of a ball moving upward is given by,a(u)=-g-k(v)^2
and while moving down it is given by a(d)=-g+k(v)^2
.where k is +ve constant v is speed in m/s. if initial velocity is 30m/s when ball is thrown from ground level find maximum height h and speed v(f) upon impact with the ground . take k=0.006 SI and assume g is constant
Asked by advait2163 | 11 Apr, 2011, 11:37: PM
Expert Answer
We have given that
as the acceleration of ball moving upwards and downwards.
In upward direction
In downward direction
Required velocity will be
v=u+at
Required height
Answered by | 02 May, 2011, 09:29: PM
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