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Answer to Question #78161 in Mechanics | Relativity for Prerana
Question #78161
A body of mass 0.2 kg is suspended from a
spring of force constant 100 Nm-1. The
frictional force due to air drag acting on it is
5v newton. Write down the differential
equation of motion and calculate the
period of free oscillations. If a harmonic force
F = 20 cos 20t is applied on it, calculate the
phase lag in the steady state.
spring of force constant 100 Nm-1. The
frictional force due to air drag acting on it is
5v newton. Write down the differential
equation of motion and calculate the
period of free oscillations. If a harmonic force
F = 20 cos 20t is applied on it, calculate the
phase lag in the steady state.
Expert's answer
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