physics
posted by Joel .
How much kinetic energy does a 2000 kg traveling 70 mph have?

physics 
Anonymous
A ball with mass m projected horizontally o the end of a table with an initial kinetic energy K. At a time t after
it leaves the end of the table it has kinetic energy 3K. What is t? Neglect air resistance. 
physics 
How much kinetic energy does a 2000 kg traveling 70 mph have?
gdeh
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