Question

53. The position (x)-time (t) graph for a particle moving
along a straight line is shown in figure. The average
speed of particle in time interval t = 0 to t = 8 s is

(2) 5 m/s
(1) Zero
(3) 7.5 m/s
(4) 9.7 m/s​

Answer 1

Answer: (2) 5M/S

Explanation: average speed is v =  

total time

total distance

​

 

total distance is 40m and total time is 8sec

 v=  

8

40

​

=5ms  

−1

 

hence the B option is correct