Mathematical and Physical Journal
for High Schools
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# Problem P. 4760. (October 2015)

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 pont)

Deadline expired on November 10, 2015.

### Statistics:

 202 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.

Problems in Physics of KöMaL, October 2015