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April 16, 2014

Homework Help: science

Posted by derek on Friday, January 20, 2012 at 1:27pm.

A proton (mass m = 1.67 multiplied by 10-27 kg) is being accelerated along a straight line at 2.2 multiplied by 1015 m/s2 in a machine. The proton has an initial speed of 2.4 multiplied by 107 m/s and travels 3.8 cm.

(a) What is its speed?
m/s
(b) What is the increase in its kinetic energy? j

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