A model rocket is launched vertically into the air such that its height at any time, t, is given by the function `h(t)=-16t^(2)+80t+10`. What is the maximum height attained by the model rocket?

An archer shoots an arrow into the air such that its height at any time, t, given by the function h(t)=-16t^(2)+kt+3 . If the maximum height of the arrow occurs at 4 seconds after it is launched, what is the value of k?

A ball is thrown in the air. Its height at any time t is given by h = 3+14t-5t^2 . Find the maximum height it can reach.

A rocket is launched vertical from the surface of the earth of radius R with an initial speed v . If atmospheric resistance is neglected, then maximum height attained by the rocket is

A rocket is launched vertical from the surface of the earth of radius R with an initial speed v . If atmospheric resistance is neglected, then maximum height attained by the rocket is

A stone is thrown vertically up and the height s reached in time t is given by s=80t-16t^2 . The stone reaches the maximum height in time t =

Soumya throws a ball upwards, from a rooftop, 80 m above. It will reach a maximum height and then fall back to the ground. The height of the ball from the ground at time 't' is 'h', which is given by h=-16t^(2)+64t+80 What is the maximum height reached by the ball ?

A stone is thrown up vertically. The height it reaches at time t seconds is given by x=80t-16t^(2) . The stone reaches the maximum height in time t seconds is given by