The first year Sc. lecture theatre of a college is 40 ft wide and has a door at a corner. A
teacher enters at Noon through the door and makes ten rounds along the 40 ft wall back and forth during the period, and finally leaves the classroom at 12.50 P.M. through the same door. Compute his average speed.
A
B
C
Zero
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Avg. speed 
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A particle is moving with velocity 5 m/s towards east and its velocity changes to 5 m/s north in 10…
The displacement-time relationship for a particle is given by . The acceleration of the particle is
A particle has velocity given by v = 20 + 0.1 t 2 then it has
The displacement is given by x = 2t 2 + t + 5, the acceleration at t = 5 sec will be
A particle is moving so that its displacement is given as meter. Its velocity at the instant when …
If velocity of a particle is given by . The average acceleration between 2 and 5 s is