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zarkam21:
Help with Physics/Math question
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zarkam21:
@Vocaloid
Vocaloid:
work done is equal to the change in kinetic energy so simply calculate the KE at 5 m/s and the KE at 9 m/s and then find the difference
zarkam21:
so 130*5 and 130*9
Vocaloid:
KE = (1/2)mv^2
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zarkam21:
(1/2)130(5)^2 (1/2)130(9)^2
Vocaloid:
good, keep going
zarkam21:
3640
zarkam21:
SO A
Vocaloid:
good, well done
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