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The Centripetal Force is not a new force which begins to act on an object as it moves in a circle. It is in fact the result of an imbalance of the forces acting on an object i.e the net f...
This is the minimum initial velocity required to move from a point to infinity in a gravitational field.
Infinity is defined to have...
This question is about converting kinetic energy into gravitational potential energy. Escape velocity is the speed required to leave the gravitational field of a mass, in this case it's a planet. In o...
Whilst this proof is beyond the scope of A level physics, it is well within the scope of A level Maths as it relies solely on the chain rule.First let us note that Fx = W where F is force, x is distan...
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