Answer:
The formula is MgVg=MbVb.
which is 5×Vg=0.01×250.
5Vg=2.5.
Vg=2.5/5.
Vg=0.5m/s.
IT IS A BC ION KNOW WHY
Explanation:
-0.038 N
F=K Q1 Q2/r^2 by COULOMB'S LAW
F= 9×10^9×1×10^-5×-1.5×10^-5/(6)^2
F= -0.038 N