A disc of mass \( m=50 \mathrm{~g} \) slides with the zero initial velocity down an inclined pla... VIDEO
A disc of mass \( m=50 \mathrm{~g} \) slides with the zero initial velocity down an inclined plane set at an angle \( \alpha=30^{\circ} \) to the horizontal; having traversed the distance \( l=50 \mathrm{~cm} \) along the horizontal plane, the disc stops. Find the work performed by the friction forces over the whole distance, assuming the friction coefficient \( k=0.15 \) for both inclined and horizontal planes.https://bit.ly/YTAI_PWAP https://www.pw.live
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