What is the escape velocity from the surface of the earth of radius $R$ and density $ρ$ ?
$2 R \sqrt{\frac{2 π ρ G}{3}}$
$2 \sqrt{\frac{2 π ρ G}{3}}$
$2 π \sqrt{\frac{R}{g}}$
$\sqrt{\frac{2 π G ρ}{R^{2}}}$

Question

What is the escape velocity from the surface of the earth of radius R and density rho  -2Rsqrt-dfrac-2pi rho G-3-2sqrt-dfrac-2pi rho G-3-2pi sqrt-dfrac-R-g-sqrt-dfrac-2pi Grho -R-2-

Toppr Admin · Accepted Answer

Escape speed is given by ve-x221A-2GMR

What is the escape velocity from the surface of the earth of radius R and density ρ ?2R√2πρG32√2πρG32π√Rg√2πGρR2

Escape speed is given by ve=√2GMR

What is the escape velocity from the surface of the earth of radius $R$ and density $ρ$ ?
$2 R \sqrt{\frac{2 π ρ G}{3}}$
$2 \sqrt{\frac{2 π ρ G}{3}}$
$2 π \sqrt{\frac{R}{g}}$
$\sqrt{\frac{2 π G ρ}{R^{2}}}$

Escape speed is given by $v_{e} = \sqrt{\frac{2 G M}{R}}$