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A. An airplane requires a speed of 80 km/h to take off from a runway. The plane starts from the rest position and undergoes an average acceleration of 1,5 m/s2 [E]. If the plane is taxiing on a 250 m runway, will it have a high enough speed to take off? Justify your answer using calculations.

A. An airplane requires a speed of 80 km/h to take off from a runway. The plane starts from the rest position and undergoes an average acceleration of 1,5 m/s2 [E]. If the plane is taxiing on a 250 m runway, will it have a high enough speed to take off? Justify your answer using calculations.

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A. An airplane requires a speed of 80 km/h to take off from a runway. The plane starts from the rest position and undergoes an average acceleration of 1,5 m/s2 [E]. If the plane is taxiing on a 250 m runway, will it have a high enough speed to take off? Justify your answer using calculations. B. A swimmer can swim at a speed of 1.80 m/s in calm water. If the current of a 200 m wide river runs at 1.00 m/s [E] and if the swimmer starts from the south bank and swim always heading perpendicular to the bank, determines the resulting speed vector of the swimmer relative to the bank from the river. Justify your answer using calculations. C. A skier descends a slope which makes an angle O with the horizontal. If µ is the coefficient of friction between the skis and the snow, demonstrates that the acceleration, a=g (sin 0 - µ cos 0 ). It would be important to make a diagram of forces.) **You do not need numerical values.
Transcribed Image Text:A. An airplane requires a speed of 80 km/h to take off from a runway. The plane starts from the rest position and undergoes an average acceleration of 1,5 m/s2 [E]. If the plane is taxiing on a 250 m runway, will it have a high enough speed to take off? Justify your answer using calculations. B. A swimmer can swim at a speed of 1.80 m/s in calm water. If the current of a 200 m wide river runs at 1.00 m/s [E] and if the swimmer starts from the south bank and swim always heading perpendicular to the bank, determines the resulting speed vector of the swimmer relative to the bank from the river. Justify your answer using calculations. C. A skier descends a slope which makes an angle O with the horizontal. If µ is the coefficient of friction between the skis and the snow, demonstrates that the acceleration, a=g (sin 0 - µ cos 0 ). It would be important to make a diagram of forces.) **You do not need numerical values.
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