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Tell me what the letters of these three formulas mean and how to understand them.
V is the instantaneous speed after time t, and the unit is m/s.
G is the acceleration of gravity in m/s?
T is the descent time in s.
H is the falling height in meters.
V=gt comes from g=v/t, which is the definition of acceleration.
h=gt? /2 is the displacement formula in kinematics.
v? =2gh is also a kinematic formula.
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