View Policies Current Attempt in Progress A Formula-1 car encounters a hump which has a circular shape with smooth transitions at either end. (a) What speed vg will cause the car to lose contact with the road at the topmost point B? (b) For a speed va = 179 km/h, what is the normal force exerted by the road on the 720-kg car as it passes point A? 10.5 p= 270 m Answers: (a) Ve= m/s (b) NA = N eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer

View Policies Current Attempt in Progress A Formula-1 car encounters a hump which has a circular shape with smooth transitions at either end. (a) What speed vg will cause the car to lose contact with the road at the topmost point B? (b) For a speed va = 179 km/h, what is the normal force exerted by the road on the 720-kg car as it passes point A? 10.5 p= 270 m Answers: (a) Ve= m/s (b) NA = N eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Current Attempt in Progress The 3620-lb car is traveling at 25 mi/hr when the driver applies the brakes, and the car continues to move along the circular path. What is the maximum deceleration possible (a, is negative if the speed is decreasing) if the tires are limited to a total horizontal friction force of 2290 Ib? 105 ft Answer: a= ft/sec?
A 1500 kg automobile that has 2 m of frontal area is driven on a surface and the coefficient of rolling friction is 0.0015 for all speeds. Assuming minimum theoretical stopping distances, if the vehicle comes to a stop 76 m after brake application on a level surface and has braking efficiency of 0.75. what is its initial speed a) if aerodynamic resistance is considered and b) if aerodynamic resistance is ignored? Note: g-9.81 m/s? matin. The roadway is wet with good pavement. > The automobile is traveling at an elevation of 1500 m.
A car travels at a costants speed of 100kph when its initial position is 400m measured horizontally and whose vertical terrain is given by the equation y=0.0003x^2. (A) Compute the radius of curvature at its initial position. (B) Find the total acceleration of the car if the position of the car is 200m from its initial position
13. A vehicle travels the transition curve of radius 150 m in duration 15 s at a design speed of 80 km/h. The rate of change of centrifugal acceleration is (a) 0.62 m/s ³ (b) 0.49 m/s ³ (d) 0.17 m/s (c) 0.22 m/s ³
Dynamics of Rigid Bodies Topic: Motion of a projectile (curvilinear motion) Please show the complete solution and the FBD of the figure.
When crossing an intersection, a motorcyclist encounters the slight bump or crown caused by the intersecting road. If the crest of the bump has a radius of curvature, ? = 25 meters, determine the maximum constant speed at which he can travel without leaving the surface of the road. Neglect the size of the motorcycle and rider in the calculation. The rider and his motorcycle have a total weight 3.5 kN.
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X Incorrect The 3620-lb car is traveling at 25 mi/hr when the driver applies the brakes, and the car continues to move along the circular path. What is the maximum deceleration possible (a, is negative if the speed is decreasing) if the tires are limited to a total horizontal friction force of 2290 Ib? 105 ft Answer: a = -8.940 ft/sec2
A vehicle travels along a curve of radius 150 m banked at an angle of 15°. If the static coefficient of friction between the road and the tires is 0.2, determine the largest constant speed at which the vehicle will not be thrown outward the banked curve. Answer in kph, nearest whole number without written units.
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An automobile is traveling on a curve having a radius of 800 ft. If the acceleration of the automobile is 6 ft/s², determine the constant speed at which the automobile is traveling.
20 A vehicle is moving down at a speed of 86 kph along an inclined surface (G = 2%). If the coefficient of friction is 0.37, compute the braking distance in meters. Round off to two decimal places.