Final answer:
The magnitude of the rocket engine's thrust is 70,000 N upwards.
Explanation:
Magnitude of the Thrust: The magnitude of the thrust of the rocket's engines can be found by subtracting the force due to gravity from the product of the rocket's mass and acceleration, resulting in 70,000 N (70 kN).
Direction of the Thrust: The direction of the thrust will be upwards since the rocket is being propelled vertically upwards.
Magnitude and Direction of Thrust: The magnitude of the thrust of the rocket's engines is 70,000 N upwards.
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