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?
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?
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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