Physics
littlemitts
22

a car has an initial velocity of 45m/s and a final velocity of 0m/s 9 seconds later. a. what is the acceleration? b. how far did they travel during the 9s?

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(1) Answers
Moebetta

a)a=v/t=(v0-vi)/t=-45/9=-5m/s^2 b)v=v0^2+2ad; 0=2025-2•5•d; 10d=2025; d=202,5m

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