Two people are paddling a canoe downstream with a speed of 3.5km/h relative to the river. if the river is flowing at 22km/h, how long will it take them to reach the canoe dock 25km away? apex
a. 1.4 h
b. 1.0h
c. 1.2h
d. 1.6 h

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.