The escape velocity of a bullet from the surface of planet Y is 1759.0 m/s. CALCULATE...
The escape velocity of a bullet from the surface of planet Y is
1759.0 m/s. CALCULATE
the escape velocity from the surface of
the planet X if the mass of planet X is 1.59 times that of Y, and
its radius is 0.895 times the radius of Y.
Homework Answers
Use gravitational PE
At surface of Planet Y
PEy = -mGMy/Ry
KE.escape = 1/2m Vy^2
KE = PE.infinity - PEy
1/2 mV.y^2 = mGMy/Ry
Vy = ?(2GMy/Ry)
At surface of Planet X
PEx = -GMx/Rx
Vx = ? (2GMx/Rx)
Vx/Vy = ? (2GMx/Rx) / ?(2GMy/Ry)
Vx= Vy ? (Mx/My *Ry/Rx)
Vx = Vy ? (1.59/.895)
Vx = 1759* ? (1.59/.895)
Vx = 2345 m/s
................
IT MAY BE HELPFUL
Replace the value as given and get the exact correct answer .
1.21 ----> 1.59 and
0.823 ----->0.895
Add Answer to:
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