Mathematics

Mathematics, 01.10.2019 04:00, emfranco1

What is the direction of air resistance when an object is falling

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Physics, 01.07.2019 18:10, nickkungu92

If an object with mass m is dropped from rest, one model for its speed v after t seconds, taking air resistance into account, is v = mg c (1 − e−ct/m) where g is the acceleration due to gravity and c is a positive constant describing air resistance. (a) calculate lim t→∞ v. what is the meaning of this limit? it is the speed the object approaches as time goes on. it is the time it takes for the object to stop. it is the time it takes the object to reach its maximum speed. it is the speed the object reaches before it starts to slow down. (b) for fixed t, use l'hospital's rule to calculate lim c→0+ v. what can you conclude about the velocity of a falling object in a vacuum? the heavier the object is the faster it will fall in a vacuum. an object falling in a vacuum will accelerate at a slower rate than an object not in a vacuum. the velocity of a falling object in a vacuum is directly proportional to the amount of time it falls. the velocity of a falling object is proportional to its mass in a vacuum.

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Mathematics, 30.09.2019 22:30, gabby7542

What is the direction of air resistance when an object is falling

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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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