a motor car starts from rest and accelerates uniformly for 10s to a velocity of 20 m/s. After that car runs at a constant speed and is finally brought to rest in 40m with a constant acceleration. Total distance covered is 640m. find the value of acceleration , retardation and total time taken.
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Answer:
Brave people are people who love to face challenges in life boldly. Victory comes to people who are bold enough to fight for it. We come across many people who fear for each and everything in life. Most often it is because such people are not ready to take up challenge. We should realize that it takes a lot of courage to achieve great things in life. We should never show cowardice in life. After all, Cowards die many times before their death. Our actions should prove our determination. We should set an example to others. Life is a competition where people who run fast win the race. So, we should throw away all our fears and get ready for the race.
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