Two children are playing tetherball, in which a ball at the end of a cord spins around a pole. After a hit, the ball makes 1.94 complete revolutions in 1.9 s. What is the angular speed of the ball in rad/s?

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr