The I.Sc lecture theatre of a college is 40 ft wide and has door at a corner.A teacher enters t 12.00 noon through the door and makes 10 rounds along the 40 ft wall back and forth during the eriod and finally leaves the class - room at 12.50 p.m. through the samedoor. compute his average speed and average velocity.

Explanation

To solve the problem, we need to compute the average speed and average velocity of the teacher who makes 10 rounds along the 40 ft wall of the lecture theatre.

### Step-by-Step Solution:

1. **Determine the Total Time:**
- The teacher enters at 12:00 noon and leaves at 12:50 p.m.
- Total time spent in the classroom = 50 minutes.
- Convert this time into seconds:
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