The figure shows two possible paths for negotiating an unbanked turn on a horizontal portion of a race course. Path A-A follows thecenterline of the road and has a radius of curvature Pa = 88 m, while path B-B uses the width of the road to good advantage inincreasing the radius of curvature to pB = 183 m. If the drivers limit their speeds in their curves so that the lateral acceleration does notexceed 0.84g, determine the maximum speed for each path.A B183 m88 mAnswers:(valmax =im/s(VB) max =im/s

Answered: Image /qna-images/answer/14b2f2cd-04d7-40eb-903e-d1565bc67bb7.jpg

Answered: The figure shows two possible paths for…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A bus driver heads south with a steady speed of v₁ = 22.0 m/s for t₁ = 3.00 min, then makes a right turn and travels at v₂ = 25.0 m/s for t₂ = 2.60 min, and then drives northwest at v3 = 30.0 m/s for t3 = 1.00 min. For this 6.60-min trip, calculate the following. Assume +x is in the eastward direction. (a) total vector displacement (Enter the magnitude in m and the direction in degrees south of west.) magnitude. direction For each straight-line movement, model the car as a particle under constant velocity, and draw a diagram of the displacements, labeling the distances and angles. Let the starting point be the origin of your coordinate system. Use the relationship speed distance/time to find the distances traveled during each segment. Write the displacement vector, and calculate its magnitude and direction. Don't forget to convert min to si m x distance/time to find the Model the car as a particle under constant velocity, and draw a diagram of the displacements, labeling the distances…
A placekicker is attempting to make a 65-yard field goal. If the launch angle of the football is 30°, what is the minimum initial speed u which will allow the kicker to succeed? Ө Answer: u = 65 yd Not to scale ft/sec 10'
A company is using a machine that exerts acceleration ay = 20m/s2 and ax = 3m/s2 to a crate, simultaneously. Draw the correct FBD and kinetic diagram for this condition. R₁ Option 1 Ry Option 3 R₂ Option 5 W Ry 3 Rx W Ry ma, may ↑ ma, ma, max Option 2 Option 4 Other: Ry may may
A train which is traveling at 75 mi/hr applies its brakes as it reaches point A and slows down with a constant deceleration. Its decreased velocity is observed to be 55 mi/hr as it passes a point 1/2 mi beyond A. A car moving at 50 mi/hr passes point B at the same instant that the train reaches point A. In an unwise effort to beat the train to the crossing, the driver "steps on the gas." Calculate the constant acceleration a that the car must have in order to beat the train to the crossing by 3.3 sec and find the velocity v of the car as it reaches the crossing. Tw Answers: a = i V = i Train 75 mi/hr 1.0 mi 1.1 mil B Car 50 mi/hr ft/sec² mi/hr
Give me right solution A truck with a constant velocity of 100 mph moves along a curve line of y= 0.008x2 when the trucks horizontal coordinate reach 350m. Determine the acceleration components, its resultant, the normal and tangenial acceleration, and the radius of the curve when the truck is at x= 350m
4. The car decelerates uniformly along the curved road from 26 m/s at A to 10 m/s at C. 250 m PB = 300 m, a. What is the car's velocity at B? O b. What is the total acceleration of the car at B? 50 m c. How long will it take the car to travel from A to C?
A rocket fired vertically up from the north pole achieves a velocity of 25 000 km/h at an altitude of 339 km when its fuel is exhausted. Calculate the additional vertical height h reached by the rocket before it starts its descent back to the earth. The coasting phase of its flight occurs above the atmosphere. Consult Fig. 1/1 in choosing the appropriate value of gravitational acceleration and use the mean radius of the earth from Table D/2. (Note: Launching from the earth's pole avoids considering the effect of the earth's rotation.) Answer: h= i km
Problem-2 A train starts from rest at station A and accelerates at 0.5m/s? for 60 s. Afterwards it travels with a constant velocity for 15 min. It then decelerates at 1m/s? until it is brought to rest at station B. Determine the distance between the stations.
4 Problem Norm the Niner has a running start when he catches on to the zipline at the top of the cliff with speed vo. After traveling a distance L he hits the ground running at a speed 200. • Write down an expression, in terms of L and vo, for the average acceleration a, during his descent. • Write down an expression, in terms of L and vo, for the total time T of the descent (assume constant average acceleration). • Show that Norm is 11/16ths of the way down the zipline when the elapsed time is t = (3/4)T (assume constant average acceleration). Vo L
Under the action of force P, the constant acceleration of block B is 6.2 ft/sec² up the incline. For the instant when the velocity of B is 3.1 ft/sec up the incline, determine the velocity of B relative to A (positive if up the slope, negative if down), the acceleration of B relative to A (positive if up the slope, negative if down), and the absolute velocity of point C (positive if up the slope, negative if down) of the cable. B 25° Answers: VB/A = AB/A = Vc = i i ft/sec ft/sec² ft/sec
Q5/ The x-coordinate of a particle in curvilinear motion is given by x = 2t2 - 3t where x is in meters and t is in seconds. Also, the particle has an acceleration in the y-direction given by a, 8- If the velocity of the particle in the y-direction is 3 m/sec when t=0, calculate the magnitudes of the velocity v and acceleration a of the particle when t=2 sec, and the angles these vectors make with the x-axis at the same instant.
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