Homework Statement
A skier leaves the starting gate at the top of a ski jump with an initial speed of 4.00 m/s. The starting position is 120m higher than the end of the ramp, which is 3.00m above the snow. Find the final speed of the skier if he lands 145m down the 20 degree slope. Assume...
Homework Statement
A 20.0g object is placed against the free end of a spring (k = 25.0 N/m) that is compressed 10cm. Once released, the object slides 1.25m across the tabletop and eventually lands 1.60m from the edge of the table on the floor. Is there friction between the object and the...