Ahard-boiled egg of mass 55.0 g moves on the end of a spring with force constant 24.7 n/m . the egg is released from rest at an initial displacement of 0.305 m . a damping force fx=−bvx acts on the egg, and the amplitude of the motion decreases to 0.119 m in a time of 4.50 s .
calculate the damping constant b.

The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.21 μs. in a certain experiment, muons moving through a laboratory are measured to have an average lifetime of 7.04 μs. for the moving muons, what are (a) β (b) k, and (c) p? the rest energy of the electron is 0.511 mev.

Anybody wanna ? (picture included? )

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant