At One Instant of Time a Rocket Is Traveling in Outer

Multiple Choice

At one instant of time a rocket is traveling in outer space at 2500 m/s and is exhausting fuel at a rate of 100 kg/s. If the speed of the fuel as it leaves the rocket is 1500 m/s, relative to the rocket, the thrust is:

A) 0
B) 1.0 * 10⁵ N
C) 1.5 * 10⁵ N
D) 2.9 * 10⁵ N
E) 2.5* 10⁵ N