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Physics, 03.02.2020 04:53 annapittbull12

A800 j
b -800 j
c 400 j
d -400 j
? ?


A800 j  b -800 j  c 400 j  d -400 j  ? ?

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A800 j
b -800 j
c 400 j
d -400 j
? ?
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