Chapter 6, Problem 55P

(a)

To determine

The speed at which a60-kgastronaut floating at a distance of $10\text{ m}$ from the spaceshipshould recoil toward the spaceship.

(b)

To determine

The time up to which a60-kgastronaut must hold her brea the before reaching the spaceship provided the astronaut is floating at a distance of $10\text{ m}$ from the spaceship.