Question

3)Usha swims in a 90 m long pool. She covers 180 m 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 usha​

Answer 1

Answer:

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total distance=90+90

=180m

total time=1 minute

= 60seconds

speed. = distance traveled÷ total time taken

=180÷60

=3m/s

displacement=0m

time taken. =60seconds

velocity = displacement ÷ time taken

= 0÷60

=0m/s

therefore, speed=3m/s and velocity=0m/s

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