Four blocks, each with the same volume, are submerged in a vat of oil. Which of the blocks will have have the largest buoyant force? A: .5 kg styrofoam block
B: 5 kg lead block
C: 2 kg aluminum block
D: 4 kg steel block
E: All have the same buoyant force
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Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.