a man walks at a speed of 4.8 km /hr and a tortoise travel at a speed of 20 cm/min.what per cent faster the man as compared to the tortoise
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Answer:
Step-by-step explanation:
Vman = 4.8 km / h
tortoise speed ‘u’ = 20cm/min
= 0.2 m / min
= 0.2m/ 60s
= 0.003 m/s
= 0.01 km / h
man is 480 times faster than tortoise.
percent change = (vman - u)/0.01 x 100%
= (4.8-0.01)/0.01 x100%
= 4.79x100 x 100%
=47900% faster than tortoise.
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