An unstable high-energy particle is created in the laboratory, and it moves at a speed of 0.988c. relative to a stationary reference frame fixed to the laboratory, the particle travels a distance of 3.22 × 10^-3 m before disintegrating. what is (a) the proper distance and (b) the distance measured by a hypothetical person traveling with the particle? determine the particle's (c) proper lifetime and (d) its dilated lifetime.

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.