a spaceship is moving at 1000 m/s release a satellite of mass 1000 kg at a speed of 10 000 m/s. what is the mass of the spaceship if it slows down to a velocity of 910 m/s?

initial momentum = 1000 m

final momentum = 910(m-1,000) + 10^7

90 m = .091*10^7 + 10^7 = 1.091*10^7
m = 121,222 kg

if 1000m/s was the speed of the spaceship and after the release the released object is traveling 10000m/s with mass of 1000kg so this implies

910m/s=x
10000m/s=1000kg
x=910*1000/10000
x=91kg

To solve this problem, we can use the principle of conservation of momentum. The total momentum before the release of the satellite should be equal to the total momentum after the release.

Let's first calculate the momentum of the satellite before the release:
Momentum = Mass * Velocity
Momentum = 1000 kg * 10,000 m/s
Momentum = 10^6 kg*m/s

Therefore, the total momentum of the system (spaceship + satellite) before the release is 10^6 kg*m/s.

Let's now consider the momentum of the spaceship after the release:
Given that the satellite has a mass of 1000 kg and was released at a speed of 10,000 m/s, the momentum of the satellite alone is:
Momentum of Satellite = Mass of Satellite * Velocity of Satellite
Momentum of Satellite = 1000 kg * 10,000 m/s
Momentum of Satellite = 10^6 kg*m/s

Since the total momentum of the system is conserved, the momentum of the spaceship alone after the release will be equal to the total momentum before the release, which is 10^6 kg*m/s.

The momentum of the spaceship after the release is given by:
Momentum of Spaceship = Mass of Spaceship * Velocity of Spaceship
Momentum of Spaceship = Mass of Spaceship * 910 m/s

We can now set up an equation using the conservation of momentum principle:
Momentum of Spaceship = Total Momentum - Momentum of Satellite
Mass of Spaceship * 910 m/s = 10^6 kg*m/s
Mass of Spaceship = (10^6 kg*m/s) / 910 m/s
Mass of Spaceship ≈ 1098.90 kg

Therefore, the mass of the spaceship would be approximately 1098.90 kg.