Amaterial will float on the surface of a liquid if the material has a density less than that of the liquid. given that the density of water is approximately 1.0 g/ml, will a block of material having a volume of 1.3 104 in3 and weighing 350 lb float or sink when placed in a reservoir of water?

Diamond will scratch quartz. true or false

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.