A 45-kg merry-go-round worker stands on the ride's platform 6.3 m from the center, as shown in Figure 11.
If her speed her) as she goes around the circle is
4.1 m/s, who wie force of friction (Ff) necessary to
keep her from falling off the platform?

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.