Question: C u 1 : D ng b a c kh i l ng m 1 = 2 kg ng v o m t chi c
Cu :
Dng ba c khi lng m kg ng vo mt chic inh m
kg vo g Vn tc ca ba lc chm inh lms Sau khi
nn bainh ghim su vo g cm th dng li Coi nh lc cn
ca g ln inh l khng i
a Tnh gia tc ca inh khi di chuyn trong g
b Tnh khong thi gian inh di chuyn trong g
c Tnh lc cn ca g tc dng ln inh
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