A woman runs 100m [north] then walks 200 m [North], then runs 100 m [North] again. a. Calculate the woman's distance travelled. b. Calculate the woman's displacement.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.