Homework Help: scientist

Posted by NoNo100 on Wednesday, September 16, 2009 at 5:17pm.

suppose a polar bear running with an initial speed of 4.0 m/s accelerates uniformly for 18s. what is the bear's maximum speed if the bear travels 135m during the 18s of acceleration? Give the answer in both meters per second and kilometers per hour.

scientist - bobpursley, Wednesday, September 16, 2009 at 5:30pm
distane=vi*time+ 1/2 aT^2
distance=4*18+ a*18^2 solve for a.
Then..
Vf=Vi + a*t

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