A speedy rabbit is hopping to the right with a velocity of 4.0m/s when it sees a carrot in the distance. The rabbit speeds up to its maximum velocity of 13 m/s fraction with a constant acceleration of 2.0 m/s2 rightward .How many seconds does it take the rabbit to speed up from 4.0 m/s to 13m/s?
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Answer:
u=4m/s,v=15m/s,a=2m/s
v=u+at
⟹13=4+2+t
⟹t=4.5s
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