Physics A-Level
Energy condition for escape
What Energy condition for escape means in Physics A-Level, as defined for OCR.
Definition of Energy condition for escape
Check what you remember
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Reference: OCR
At the surface, radius R, the total energy is ½mv² − GMm/R, and setting this equal to zero at infinity gives ½mv² = GMm/R.
Topics that use Energy condition for escape
- Gravitational potential and energy (OCR A-Level)
Related terms
- Escape velocity
- Gravitational potential
- Gravitational potential energy
- Inverse-distance dependence
- Negative potential near masses
- Negative sign
- Scalar nature of potential
- Escape velocity formula
Using Energy condition for escape in the exam
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