Another machine uses NM put force of 200 N to produce an output force of 80 N what is the mechanical advantage of this machine

Write a question about how changing temperature affects the gas inside the sports ball

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.