1. A bicyclist on an old bike (combined mass: 89 kg) is rolling down (no pedaling or braking) a hill of height 127 m. Over the course of the 355 meters of downhill road, she encounters a constant friction force of 292 Newton. If her speed at the top of the hill is 8 m/s, what is her speed at the...
I would really appreciate some help with this problem.
1. A student's car stalls right in front of a speed bump while she is on her way to physics class. To pull it over the bump, she ties a cable to her bumper and to a nearby tree, and pulls with a force, F, of 73.0 lbs (325 N) at the midpoint...