Which describes the greatest displacement? A. walking 3 m east, then 3 m north,
then 3 m west
B. walking 3 m east, then 3 m south,
then 3 m east
C. walking 3 m north, then 3 m south,
then 3 m north
D. walking 3 m north, then 3 m west,
then 3 m south
Tabial 1

How have the competing explanations' experiments on atoms affected the development of the atomic model?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?