Homework Statement
A skier starts from rest at the top of a hill that is inclined at 10.5degrees with the horizontal. The hillside is 200 m long, and the coefficient of friction between the skis is 0.075. At the bottom of the hill, the snow is level and the coefficient of friction is...
Homework Statement
Two skaters collide and embrace, in a completely inelastic collision. Alfred, whose mass is 83 kg is originally moving east with a speed of 6.3km/hr. The other skater (m=55 kg) is originally moving north with a speed of 7.8km/hr. What is the velocity (magnitude and...