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09-09-2022
Physics

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The vertical component of the acceleration of a sailplane is zero when the air pushes up against its wings with a lift force of 6.90 kN.
If the wing stalls and the upward force decreases to 1.41 kN, what is the acceleration of the sailplane? If the acceleration is upward, enter a positive value and if the acceleration is downward, enter a negative value.

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