Mass of a sphere is 40 kg attracted by other sphere of mass 15kg when their centres are 20cm apart, with a force of 9.8×10 to the power -7.Calculate the gravitational constant.
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F= Gm1m2/r²
take care of units
→20cm=0.2m
u have not given unit if force.. assuming it to be N
we go,
9.8×10^(-7)= [{G×40×15}/(0.2)²]
9.8×10^-7=G×15000
hence G=6.53×10^(-11) Nm²/Kg²
take care of units
→20cm=0.2m
u have not given unit if force.. assuming it to be N
we go,
9.8×10^(-7)= [{G×40×15}/(0.2)²]
9.8×10^-7=G×15000
hence G=6.53×10^(-11) Nm²/Kg²
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