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OpenStudy (anonymous):
The velocity of a 2.4 kg particle changes from 3i-6j to -6i +4j m/s. What is its change in kinetic energy? @Physics
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OpenStudy (amistre64):
KE = (1/2)*m*v^2 i believe. ill have to google it to dbl chk
OpenStudy (amistre64):
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OpenStudy (amistre64):
2.4*(3^2+6^2)/2 would be the initial KE 2.4*(6^2+4^2)/2 would be the last KE would last - first equate to the change?
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