Task 10958.
The material point of mass m moving with velocity Vo along the positive direction of the x-axis. At some point in time it began to operate the resistance force that varies according to the law F = - bV ^ 1/2. At some point in time (from the beginning of the force) material point will stop?
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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