9.8 m/s^2 = 32.2 ft/s^2
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Atoms can gain or lose electrons. When an atom gains an electron, energy is given off and is known as the electron affinity. Electron affinity is defined as the energy released when an electron is added to a gaseous atom or ion.
Answer:
As the rock falls from the edge of the cliff, gravitational potential energy is converted to mechanical kinetic energy.
Explanation:
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Answer:
Explanation:
Given
Mass of dancer 
Area of contact 
(a)If dancer is stationary
Pressure exerted by Floor is given by load per unit area of contact




(b)If dancer is leaping upwards with an acceleration of 
So apparent weight of dancer is 



