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In order to determine the maximum speed of an emitted electron, we must first find it's kinetic energy from the energy of an incident photon and the work function of the metal surface (the minimum energy ...

The initial velocity of the ball is 0, and so the only relevant force acting on it is weight pulling it downwards, so, the ball accelerates towards the ground. As the ball falls it hits air particles whic...

You are given the following values: M_e = 6x10²⁴ kgR_e = 6.37x10⁶ mA geostationary satellite appears to an observer on the ground to always be at the same positi...

The strong nuclear force is a fundamental force that binds quarks together to form nucleons. The force between nucleons is repulsive between similar nucleons (i.e. protons) before becoming attractive and ...

first the second term can be split up to make integrating it easierits easier if the x³ component is separatedthis eventually simplifies the second term to (-1/4) * x^-3so now the que...