The height (in metres) of a ball thrown vertically upward is modelled by
MATHEMATICS · Multi-part · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives
Problem
The height (in metres) of a ball thrown vertically upward is modelled by h(t)=30t−4.9t2, where t is the time in seconds after it is projected.
(i) Find the interval of time during which the height is increasing.
(ii) State what this interval means in terms of the motion of the ball.