A person lifts a 47.0 N cement block a vertical distance of 1.40 m and then carries the block horizontally a distance of 8.40 m. Determine the work done by the person in the process.

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

Which statement correctly describes the relationship between frequency and wavelength?

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.