::A mail bag with a mass of 105 kg is suspended by a vertical rope of length 7.00 m .
A) What horizontal force is necessary to hold the bag in a position displaced sideways a distance 3.00 m from its initial position?
Take free fall acceleration to be g = 9.80 m/s2 .
B) How much work is...
::A skier of mass 63.0kg starts from rest at the top of a ski slope of height 62.0m .A skier of mass 63.0kg starts from rest at the top of a ski slope of height 62.0m .A) If frictional forces do −1.00×104J of work on her as she descends, how fast is she going at the bottom of the slope?
Take...