The list describes properties of Earth's layers. 1. described as the thickest layer 2. described as the thinnest layer 3. contains the asthenosphere 4. composed of hot, softened rock 5. made of mostly silicon and oxygen Which properties are associated with the mantle? Select ALL that apply. 1 O2 u 3

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question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

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(jacemorris04)