Anjali swims ina 90m long pool she covers 180m in one minute by swimming from one end to the other and back along the same straight path find the average speed and average velocity of Anjali

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Solution

Length of the Pool= 90m
distance travelled by Anjali= 90m+90m=180m
Time taken = 1minute
So average speed= distance/time= 180m/1minute=
Displacement = shortest distance between initial and final position=0
So velocity= displacement/time= 0/60 sec= 0
So velocity=0

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Why displacement is taken 0 here?

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Anjali swims ina 90m long pool she covers 180m in one minute by swimming from one end to the other and back along the same straight path find the average speed and average velocity of Anjali

Length of the Pool= 90m distance travelled by Anjali= 90m+90m=180m Time taken = 1minute So average speed= distance/time= 180m/1minute= Displacement = shortest distance between initial and final position=0 So velocity= displacement/time= 0/60 sec= 0 So velocity=0

Length of the Pool= 90m
distance travelled by Anjali= 90m+90m=180m
Time taken = 1minute
So average speed= distance/time= 180m/1minute=
Displacement = shortest distance between initial and final position=0
So velocity= displacement/time= 0/60 sec= 0
So velocity=0