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A probe is launched from rest at the surface of Earth ( , )
PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation
Problem
A
500
kg
500\,\text{kg}
500
kg
probe is launched from rest at the surface of Earth (
M
E
=
6.0
×
10
24
kg
M_E = 6.0\times10^{24}\,\text{kg}
M
E
=
6.0
×
1
0
24
kg
,
R
E
=
6.4
×
10
6
m
R_E = 6.4\times10^{6}\,\text{m}
R
E
=
6.4
×
1
0
6
m
). Neglecting air resistance, calculate the minimum launch speed required for the probe to escape Earth. Use
G
=
6.67
×
10
−
11
N
m
2
/
kg
2
G = 6.67\times10^{-11}\,\text{N}\,\text{m}^2/\text{kg}^2
G
=
6.67
×
1
0
−
11
N
m
2
/
kg
2
.
Related theory
Escape Velocity
Gravitation
Gravitational potential and energy
Escape speed
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