8-61 A space vehicle and its fuel tank are moving with a velocity
of 350 m/s toward a space station. The fuel tank is then jettisoned to
the rear so that its velocity is only 250 m/s toward the station. What
is the new speed of the space vehicle? The mass of the vehicle is 3.25
times that of the tank. [Ans. 380 m/s]
ACCUMULATED SOLUTION
Correct!
It is worth thinking about this answer even
before
we proceed with the solution.
The system comprising the two parts of the space
ship are
(A) An
isolated
system.
(B) A
non-isolated
system