an athlete uniformly increases its speed from rest at 1 metre per second square the time taken to complete 200 metre race is
A. 14s
B.20s
C. 5s
D.10s
Answers
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1
Answer:
s=ut+1/2atsquare
Explanation:
- 200=0+1/2*1*t we get t*t=400 which implies t=20 sec
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