9.By what factor does the drag force on a car increase as it goes from 46 to115 km/h? (Give the percentage increase.)AFFoAdditional MaterialsO Reading10.A skydiver weighing 910 N opens his parachute at the appropriate heightfrom the ground. The air exerts a significant upward drag force, which isinitially greater than the weight of the diver. This helps to slow the skydiverdown. What is the diver's acceleration (both direction and magnitude inm/s?) if the magnitude of the drag force is 1165 N?magnitudem/s?direction-Select--Additional MaterialsO Reading11.During a circus act, one performer swings upside down hanging from atrapeze holding another, also upside-down, performer by the legs. If theupward force on the lower performer is three times her weight, how much(in m) do the bones (the femurs) in her upper legs stretch? You may assumeeach is equivalent to a uniform rod 30.0 cm long and 1.88 cm in radius. Hermass is 55.0 kg.

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By what factor does the drag force on a car increase as it goes from 46 to 115 km/h? (Give the percentage increase.) AF %

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 39P: A student’s backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an...

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