NTA Abhyas JEE Main2020PhysicsMotion in One DimensionPractice
A rocket is fired upwards. Its engine explodes fully in 12 s . The height reached by the rocket as calculated from its velocity-time graph is
Options
- A79200 m
- B158400 m
- C18400 m
- D15400 m
Correct answer
A. 79200 m
Step-by-step solution
The height reached by rocket is equal to the area under the velocity-time graph h = 1 2 × 132 × 1200 h =   79200   m