Question

a car is moving along x axis. it's move o to p in 18 seconds returns from p to q in 6 seconds. what is the average velocity and average speed car going from (1) o to p (2) o to p back and q​

Answer 1

Answer: 10ms −1

Explanation:    

Displacement from O to P=360m

Time taken from O to P=18sec

Velocity of car =  Time /Displacement

                         = 18 /360m

 

Avg. Velocity of car (O to P)=20ms  −1

 

Time taken from P to Q=6sec

Total time taken to move from O to P and back at Q,  

T =16+6=24

Displacement from P to Q=240m

Average speed of car from P to Q=  24sec/ 240m

                                                          =    10ms −1

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