A jet airplane is in level flight. The mass of the airplane is m =circular path of radius R 8.89 mi and makes one revolution every T 0.118 h. Given that the lift force acts perpendicularlyupward from the plane defined by the wings, what is the magnitude of the lift force acting on the airplane?9010 kg. The airplane travels at a constant speed around a%3DRL =kNAt what angle is the airplane banked?0 =

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Answered: A jet airplane is in level flight. The…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 46PQ

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Determine the rated speed of a highway curve of radius p = 120 m banked through an angle 0 = 18 ° . The rated speed of a banked highway curve is the speed at which a car should travel if no lateral friction force is to be exerted at its wheels .
A jet airplane is in level flight. The mass of the airplane is m 8970 kg. The airplane travels at a constant speed around a 9.77 mi and makes one revolution every T 0.129 h. Given that the lift force acts circular path of radius R perpendicularly upward from the plane defined by the wings, what is the magnitude of the lift force acting on the airplane? R L kN At what angle is the airplane banked? x10
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= A curve that has a radius of 95 m is banked at an angle of 0 10.0°. If a 1050 kg car navigates the curve at 70 km/h without skidding, what is the minimum coefficient of static friction Ms between the pavement and the tires? Ms =
Boyan is driving a car around a turn of radius r = 20 m. The road is on a banked curve of 30°. If the coefficient of static friction is 0.35, what is the maximum speed that Boyan can safely make the turn? 300
A child of mass 25 kg rides on a Ferris wheel. The child moves in a vertical circle of radius. 10.0 m at a constant speed of 4.0 m/s. Find the normal force of the chair acting on the child when the child is at the top of the wheel. (Hint: Your answer should be smaller than mg.)
A 5000 kg car is traveling in a horizontal circular path with a speed of 25 m/s on a banked curve. The radius of the curve is 60 m. Friction is negligible. a. Find the horizontal part of the normal force from the road acting on the car. b. Find the vertical part of the normal force from the road acting on the car.
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curve as shown in figure (a). If the radius of the curve is 45.0 m and A 1,475 kg car moving on a flat, horizontal road negotiates the coefficient of static friction between the tires and dry pavement is 0.570, find the maximum speed (in m/s) the car can have and still make the turn successfully. a The force of static friction directed toward the center of the curve keeps the car moving in a circular path. mg The forces acting on the car. SOLUTION Conceptualize Imagine that the curved roadway is part of a large circle so that the car is moving in a circular path. Categorize Based on the Conceptualize step of the problem, we model the car as a particle in ---Select--- v in the horizontal direction. The car is not accelerating vertically, so it is modeled as a particle in ---Select--- v in the vertical direction. Analyze (Use the following as necessary: H, and n for the magnitude of n. Do not substitute numerical values; use variables only.) Figure (b) shows the forces on the car. The…

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