How far does a turtle go in 3 minutes if the turtle is moving at an average velocity of 0.5 m/min towards Miss Dembiec’s room?

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

If element x has 99 protons how many electrons does it have

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?