Venus has a mass of about 0.558 times the mass of earth and a diameter of about 0.381 times the diameter of earth .The acceleration of a body falling near the surface of venus is...?

Question

anonymous · Answer

$$g=G\frac{M}{r^2}\ \frac{g_v}{g_e}=\frac{M_v/r_v^2}{M_e/r_e^2} $$

dls · Answer

r=0.19?

anonymous · Answer

rv/re=0.19

dls · Answer

i used the same formula,but mgetting the wrong numerical value

anonymous · Answer

Did you forget to square the r? Show your work if possible.

dls · Answer

i did..let mewrite

dls · Answer

Gv=GMe(0.558)/(Re0.19)^2 
Ge=GMM/Re^2
=>
9.8*0.06/0.2*0.2  (approxed)