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Q:A body is thrown up in a lift with a velocity ‘ u ’ relative to the lift and the time of flight is t . The acceleration with which the lift is moving up is: Sir, please explain...
Q:A body is thrown up in a lift with a velocity ‘u’ relative to the lift and the time of flight is t. The acceleration with which the lift is moving up is:Sir, please explain...

```
2 years ago

Arun
25768 Points
```							Dear Tushar $v_{b,rel}=u\vec j\\ a_{gravity}=-g\vec j\\ a_{b,rel}=-g\vec j-a\vec j\\ T_{flight,rel}=2*u/(g+a)=t\\ =>a=(2*u-gt)/t$ Hope it helpsIn case of any difficulty please feel free to ask RegardsArun (askIITians forum expert)
```
2 years ago
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• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
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