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- Homework Statement
- The fuel tank detaches from the rocket rising vertically upwards when it has velocity v_1. Calculate the final time t and the speed with which the tank falls to the ground. Given is the gravitational acceleration g, the air resistance should be omitted

- Relevant Equations
- v = v₀ + gt

s = v₀t + (1/2)gt²

I know that this should be a very simple problem, but I don't understand how to solve it without knowing the height at which the tank is separated from the rocket. I will be very grateful for any hint.