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Consider the following statement: When j...

Consider the following statement: When jumbing from some height, you should bend your knees as you come to rest, instead of keeping your legs stiff. Which of the following relations can be useful in explaining the statement?

A

`Delta vec p_1 = - Delta vec p_2`

B

`DeltaE = Delta (PE + PK) =0`

C

`vecF Delta t = mDelta vecv`

D

`Delta vec x prop Dela vec F`

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