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True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Which sound characteristic is not affected by the relative motion of an object

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.