A stone is thrown vertically upward and the height x ft reached by the stone in t seconds…
Physics · JEE Main · NTA Exams — Kinematics
A stone is thrown vertically upward and the height x ft reached by the stone in t seconds is given by \(x=80 t-16 t^{2}\). The stone reaches the maximum height in :
- 2 s
- 2.5 s
- 3 s
- 1.5 s
Answer
(A) 2 s
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A boat which has a speed of 5 km/h in still water crosses a river of width 1 km along the shortest possible…
- A particle moves along a straight line OX. At a time t (in seconds) the distance x (in meters) of the…
- If for a given angle of projection, the horizontal range is doubled, the time of flight becomes
- The range of projectile on a downward inclined plane is ……… the range on upward inclined plane for the same…
- Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which…
- If the displacement of a particle is zero, then what can we say about its distance covered
- Two bullets are fired with horizontal velocities of 50 m/s and 100 m/s from two guns placed at a height of…
- A body is thrown at angle 30o to the horizontal with the velocity of 30 m/s. After 1 sec, its velocity will…