Aboat moves 60 kilometers east from point a to point b. there, it reverses direction and travels another 45 kilometers toward point a. what are the total distance and total displacement of the boat

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Which two particles are found in the center of an atom

Acar travels 40m in 8 seconds find the car speed