ข้อสอบสถาบันการบินพลเรือนวิชาฟิสิกส์ชุดที่ 2

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#1. Which one correct?
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#2. A stone is dropped from rest at the top of a building. After 3 s of free-fall, What is the displacement of the stone.
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#3. From Question NO.2, What is the velocity at 3 second after is dropped from the building.
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#4. A ball is thrown vertically upward with an initial speed of 30 m/s In the absence of air resistance. How high does ball go?
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#5. From question NO.4, What is the total time the ball is in the air before returning to the ground?
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#6. During a flight an aircraft fly 11 km with velocity 21 m/s but then fly in the same direction with 1 km at velocity 4.2 m/s determine the average velocity of the aircraft?
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#7. An aircraft moving horizontally with velocity 115 m/s at an altitude of 1050 m. The plane release a care package that falls to along a curved trajectory. Determine the time before the package hit the ground?
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#8. A sled traveling at 4 m/s, enter a horizontal stretch of snow, The coefficient of kinetic friction is 0.05. How far does the sled go before stopping?
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#9. A 500-g ball lying on the ground is kicked with a force of 100 N. If the kick lasted 0.04s the ball flew off with a speed of?
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#10. An 80-kg firefighter slides down a brass pole 8.0 m high in a fire station while exerting a friction force of 600 N on the pole. He reaches the bottom of the pole in the time of?
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