A football player releases a ball with the initial conditions shown in the figure. Determine the radius of curvature of the trajectory attimes t = 0.5 sec and t = 1.1 sec, where t = 0 is the time of release from the quarterback's hand. For each case, compute the time rateof change of the speed.th = 67 ft/sec8 = 21°Answers:For t = 0.5 sec, p=ift, v =ift/sec2For t= 1.1 sec, p=ft, v =ft/sec2ActivaiGo to Se The speed of a car increases uniformly with time from 39 km/h at A to 97 km/h at B during 20 seconds. The radius of curvature of thehump at A is 48 m. If the magnitude of the total acceleration of the mass center of the car is the same at B as at A, compute the radiusof curvature pg of the dip in the road at B. The mass center of the car is 0.66 m from the road.Assume PA = 48 m, h = 0.66 m.РвВAnswer: PB -im

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A football player releases a ball with the initial conditions shown in the figure. Determine the radius of curvature of the trajector times t= 0.5 sec and t = 1.1 sec, where t= 0Ois the time of release from the quarterback's hand. For each case, compute the time r of change of the speed. th = 67 ft/sec 8= 21°

A football player releases a ball with the initial conditions shown in the figure. Determine the radius of curvature of the trajector times t= 0.5 sec and t = 1.1 sec, where t= 0Ois the time of release from the quarterback's hand. For each case, compute the time r of change of the speed. th = 67 ft/sec 8= 21°

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.47P: A rifle at A is fired at a target at B. If the speed of the bullet is 1400 ft/s, determine the...

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