Object a has of mass 7. 20 kilograms, and object b has a mass of 5. 75 kilograms. The two objects move along a straight line toward each other with velocities +2. 00 meters/second and -1. 30 meters/second respectively. What is the total kinetic energy of the objects after the collision, if the collision is perfectly elastic?

We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

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True or falseaccording to the fifth amendment people cannot be tried for the same exact crime more than once