the friction coefficient between an athlete's shoe and ground is 0.90 .suppose a superman wears these shoes and races for 50 m . there is no upper limit on his capacity of running
a) find the minimum time he will take for the completion of 50 m starting from rest .
b) suppose he takes exactly the minimum time to complete the 50 m what minimum time will he take to stop ?
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3 Answers
481a)3.33 secs
b)3.33 secs
Manish Sarkar how to get it??
Upvote·0· Reply ·2013-07-26 08:50:18- Shourjya Chakraborty answer is 0.90 secs.
answer is 45.00secs
1161Just take a hint for this. You have to take friction at max and calculate acceleration/retardation produced by it.
