kinetic friction

| January 29, 2015

A ski that is placed on snow will stick to the snow. However, when the ski i moved along the snow, the rubbing warms and partially melts the snow, reducing the coefficient of kinetic friction and promoting sliding. Waxing the ski makes it water repellent and reduces friction with the resulting layer of water. A magazine reports that a new type of plastic ski is especially water repellent and that, on a gentle 200 m slope in the Alps, a skier reduced his top-to-bottom time from 61 s with standard skis to 42 s with the new skis. Determine the magnitude of his average acceleration with (u) the standard skis and (b) the new skis. Assuming a 3.0° slope, compute the coefficient of kinetic friction for (c) the standard skis and (d) the new skis

Get a 5 % discount on an order above $ 150
Use the following coupon code :
2018DISC
Kinetic friction
Kinetic friction

Category: Coursework

Our Services:
Order a customized paper today!