Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph's average speed and velocities in jogging:
a. From A to B ?
b. From A to C?
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- Refer the attachment for Answer (a).
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Answer (B)
Total distance covered from A to C= ( AB + BC)
=(300 + 100)m
= 400m
Total time taken from A to C=Time taken for AB + Time taken for BC
= (2 minutes 30 seconds + 1 minute)
= (150 + 60)seconds
=210 seconds
___ ___ ___ ___ ___ ___....
Total displacement (s) from A to C= AB - BC
= (300 - 100)m
= 200 m
Time taken for displacement from A to C= 210s
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