Superman is carrying Lois lane as he walks the street of Metropolis. He uses a force of 545 N to carry her. What is her mass ?( use gravity in place of acceleration) *

What is the angular momentum of the bar about the axle?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f