Please include an
explanationHomework Answers
we know that change in kinetic energy = k2 -k1 = 1/2 m(v2^2
- v1^2)
from the given data
A . k2-k1 = 1/2*10(0-4^2) = - 80 J
B . k2-k1 = 1/2*10((-1^2)-(3^2)) = - 40 J
C. k2-k1 = 1/2*20((-1^2)-(1^2)) = 0
J
D. k2-k1 = 1/2*5((-3^2)-(5^2)) = - 40 J
so the rank of change in kinetic energies are A
>B=D>C
Add Answer to:
Please include an
explanation
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