Physics

Physics, 31.07.2019 03:00, Estrella2209

Blank the constant velocity of a falling object when the force of air resistance is equal to the force of gravity

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Physics, 12.07.2019 21:30, fields

Aman jumps from an airplane and does not open his parachute immediately. as he falls, two forces act on him: the force mg due to gravity and the force na of air resistance. now he opens his parachute and begins to fall at constant velocity what forces act upon him now? 1. since he is falling at constant velocity the force of air resistance no longer acts on him. 2. the same two forces act on him as before the only change is that with the parachute open, the two forces sum to zero. 3. when the parachute opens there is an additional force np which has nothing to do with either na or mg. 4. since he is falling at constant velocity gravity no longer acts on him. 5. none of these

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Physics, 01.08.2019 11:30, sadcoasta

Terminal velocity is the velocity of a. a falling object when it starts to break apart b. an accelerating object when it hits the ground c. an object falling in a vacuum (an environment without air) d. a falling object if the force of air resistance equals the force of gravity

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Biology, 27.08.2019 22:30, punkieladie

Drag the tiles to the correct boxes to complete the pairs. match one of newton's laws to each statement. tiles newton's first law newton's second law newton's third law pairs i pull on the earth because earth pulls on me. the velocity of a falling object isn't constant because earth's gravity exerts a force on it. if air resistance is ignored, the acceleration of a falling object is equal to the ratio of the force of gravity to mass.

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Physics, 25.10.2019 18:43, forschoolok123456789

When an object is falling and reaches a constant velocity, the net force on the object is and the weight of the object is equal a. zero; the mass of the object b. 10; the speed at which the object is falling c. 10; acceleration due to gravity d. zero; the force of air resistance against the object

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