You lift a 45-newton bag of mulch 1.2 meters and carry it a distance of 10 meters to the garden. how much
work was done?

What is binding energy and separation energy

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.

How do we measure or think of speed in the united states?