MCAT Question of the Day
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    Q:

    		 On its way down, a roller coaster of mass M travels at a velocity v. The roller coaster begins at a height h and goes over 3 smaller sized hills on its way to the bottom. What is v in terms of the other variables of the problem? (assume gravity=g)

    		 

    A

    		 (2gh)1/2

    B

    		 (2gh)1/2/3

    C

    		 2gh

    D

    		 2gh/3



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