# Claire starts driving with an initial velocity of 5.0 m/s towards north. She drives along a straight, level path with a uniform acceleration and travels 500. m in 20. seconds. A. What is the average velocity for the entire 20. seconds? B. What is the velocity at the end of 20. seconds?

(2) Answers

a) avg velocity=(v+u)/t =(500/20 +5)/20 =3/2m/s b) v=u +at =5+(25-5)/20 × 20 =25m/s

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