Question

Which of the following is correct for escape velocity?

A
Vesp2 = 4gr

B
Vesp = 2gr

C
Vesp2 = 2gr

D
NOTA​

Answer 1

Answer:

Step-by-step explanation:

Escape velocity is given by the formula:

Vesc = sqrt(2GM/r)

or Vesc = sqrt(gr)

thus, Vesc^2 = gr