The speed of a car increases uniformly with time from 64 km/h at A to 89 km/h at B during 9 seconds. The radius of curvature of the hump at A is 41 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 radius of curvature pg of the dip in the road at B. The mass center of the car is 0.55 m from the road. Assume PA = 41 m, h = 0.55 m. Answer: PB = B m

The speed of a car increases uniformly with time from 64 km/h at A to 89 km/h at B during 9 seconds. The radius of curvature of the hump at A is 41 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 radius of curvature pg of the dip in the road at B. The mass center of the car is 0.55 m from the road. Assume PA = 41 m, h = 0.55 m. Answer: PB = B m

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...

See similar textbooks

Similar questions

The speed of a car increases uniformly with time from 50 m/s at A to 100 m/s at B during 10 seconds. The radius of curvature of the hump at A is 40 m. If themagnitude of the total acceleration of the mass center of the car is the same at B as at A, compute the radius of curvature ρBof the dip in the road at B. The mass center of the car is 0.6 m from the road.
The speed of a car increases uniformly with time from 36 km/h at A to 110 km/h at B during 15 seconds. The radius of curvature of the hump at A is 35 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 radius of curvature pg of the dip in the road at B. The mass center of the car is 0.71 m from the road. Assume PA = 35 m, h = 0.71 m. PB Answer: PB = i B m
The speed of a car increases uniformly with time from 38 km/h at A to 88 km/h at B during 10 seconds. The radius of curvature of the hump at A is 42 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 radius of curvature pg of the dip in the road at B. The mass center of the car is 0.56 m from the road. Assume PA = 42 m, h = 0.56 m. Answer: PB = B m
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 the hump 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 radius of 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. Рв В Answer: PB -i m
I 1. When the speed reached 100 km/h, the car entered a curved road of radius 150 m. The brakes are applied to slow down his motor uniformly to a speed of 40 km/h in 10 seconds along the curved road. Find the normal and tangential components of deceleration after the brakes are applied.
4. Car A is accelerating in the direction of its motion at the rate of 4 ft/sec². Car B is rounding a curve of 440-ft radius at a constant speed of 44 ft/s. Find the vectors and magnitude of (a) velocities Vgand vg and (b) acceleration a gand aglike we did in our class. Determine the (c) velocity VB/A and (d) acceleration aB/A and which car B appears to if car A has reached a speed of 66 ft/s for the positions represented. y x- 30 440 NOT allowed to use Chegg or other such websites. L e Type here to search Lenovo F11 F9 F10 F7 F8 F6 区 F1 F5 Esc F3 F4 F2 FnLock & %23 4 5 7 00 %24
Magnetic tape is being transferred from reel A to reel B and passes around idler pulleys Cand D. At a certain instant, point P1, on the tape is in contact with pulley C and point P2 is in contact with pulley D. If the normal component of acceleration of P1 is 41 m/s? and the tangential component of acceleration of P2 is 46 m/s? at this instant, compute the corresponding speed v of the tape, the magnitude of the total acceleration of P1, and the magnitude of the total acceleration of P2. 42 mm 112 mm Answers: V = i m/s i m/s? a1 = i m/s? a2 =
The 32000-lb airplane is flying in the vertical plane at 410 ft/s. At the instant shown, the angle = 30°, and the cartesian components of the plane's acceleration are ax = -4 ft/s², ay = 35 ft/s². Figure 1 of 1 0 ·x Part A What are the tangential and normal components of the total force acting on the airplane (including its weight)? Enter your answers numerically separated by a comma. VE ΑΣΦ ↓↑ vec Ft, Fn = Submit Request Answer Part B What is de/dt in degrees per second? (Figure 1) de/dt = Submit VE ΑΣΦ Request Answer ↓↑ vec ? ? lb °/s
Magnetic tape is being transferred from reel A to reel B and passes around idler pulleys C and D. At a certain instant, point P1, on the tape is in contact with pulley Cand point P2 is in contact with pulley D. If the normal component of acceleration of P is 32 m/s2 and the tangential component of acceleration of P2 is 25 m/s2 at this instant, compute the corresponding speed v of the tape, the magnitude of the total acceleration of P1, and the magnitude of the total acceleration of P2. P 46 mm 116 mm B Answers: V = i m/s m/s2 a1 = az = m/s2
3. Magnetic tape is being transferred from reel A to reel B and passes around idler pulleys C and D. At a certain instant, point P1 on the tape is in contact with pulley C and point P2 is in contact with pulley D. If the normal component of acceleration of P1 is 40 m/s2 and the tangential component of acceleration of P2 is 30 m/s2 at this instant, compute the corresponding speed of the tape, the magnitude of the total acceleration of P1 and the magnitude of the total acceleration of P2. P, 50 mm 100 mm A.
On a curvy road, a motorist applies breaks and the speed of the vehicle is reduced uniformly from 60 km/h at point A to 40 km/h at point B; points A and B are 120 m apart. If the vehicle has a resultant acceleration of 2.5 m/s2 at point A, calculate the radius of the curvature of the road at this point. Calculate also the acceleration of the vehicle at point B where the road has a radius of curvature equal to 90 m. (complete steps)
Current Attempt in Progress The speed of a car increases uniformly with time from 63 km/h at A to 103 km/h at B during 8 seconds. The radius of curvature of the hump at A is 60 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 radius of curvature pg of the dip in the road at B. The mass center of the car is 0.74 m from the road. Assume PA = 60 m, h = 0.74 m. Answer:PB = m B PB