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 1:
Dng ba c khi lng m1=2 kg ng vo mt chic inh m2=
0,05 kg vo g. Vn tc ca ba lc chm inh l10m/s. Sau khi
nn ba,inh ghim su vo g1 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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