Posted by Felicia on Thursday, January 17, 2013 at 2:19pm.
A ball is thrown vertically upwards.It takes 4 s for the ball to return to the thrower's hand now what is thb maximum height reached by the ball.

Maths nd science  Anonymous, Thursday, January 17, 2013 at 2:50pm
you need more information to solve the problem, such as the initial or final velocity.
If you have this information you can solve for d (displacement) using the equation (s):
 Vf^2= Vi^2 + 2*g*d where g is the acceleration due to gravity (9.8 m/s^2)
 d= Vi*T+0.5*gT^2 where t is time
Hope this helps
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