Problems of the 2nd tour


Theme : Mecanics (difficulty level : easy)

Name Age Country Problem
Problem 1 N.P 17 France An object in free-fall without initial speed, reached a speed of 20 m/s at the end of the first part of its fall. Of what height did the object fall?
Problem 2 N.P 17 France What is the initial speed and the acceleration of an autombile, if during the first 3 seconds it traveled 18 meters, and during the first 5 seconds it traveled 40 meters?
Problem 3 N.P 17 France An object in free-fall without initial speed falls 540 meters in height. Divide this height into 3 parts, during which the object travels the same time.

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