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P. 4760. The speed of a car travelling on a highway is $\displaystyle v_0$. At a certain instant the speed of the car is started to vary uniformly, and from that instant the first 84 m is covered in 3 s, and the next 84 m is covered in 4 s.

Determine the initial speed of the car $\displaystyle v_0$, and its acceleration $\displaystyle a$.

(4 points)

Deadline expired on 10 November 2015.

Statistics on problem P. 4760.
 203 students sent a solution. 4 points: 160 students. 3 points: 13 students. 2 points: 7 students. 1 point: 5 students. 0 point: 13 students. Unfair, not evaluated: 4 solutions. Unfair, not evaluated: 1 solution.

• Problems in Physics of KöMaL, October 2015

•  Támogatóink: Morgan Stanley