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`        an elevator without a ceiling is asending up with the constant velocoty 5ms-1.a ball is projected upwards from the floor of the elevator. at the instant the floor of the elevator is at height of 50 m from the ground. the initiate speed of ball is 15ms-1 withrespect to the elevator.what is the time the ball strikes the floor of elevator?`
7 months ago

Harshul
30 Points
```							There are 2 methods of solving this questionThrough relative method and through the simple oneRelative method is easier and less time consumingSo , I am going to solve this question in that way. We are given that relative velocity of ball with respect to the elevator is 15 m/s  We know total time of travel of any object thrown up with velocity u is 2u/g . So time taken by the object is 2*15/10 (The value of g is taken as 10 for simplicity)So time taken is 3 seconds
```
7 months ago
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Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions