Please answer simply and neatly!Round final answer into 4 decimal places 2. A 1800-kg car enters a section of curved road in the horizontal plane and speedsup at a uniform rate from a speed of 50 km / h at A to a speed of 100 km / h as itpasses C. Determine the total horizontal force exerted by the road on the tires atpositions A, B, and C. Point B is the inflection point where the curvature changesdirection.p= 400 m200 mABp= 80 m

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Answered: 2. A 1800-kg car enters a section of…

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 body weighing 445 N is drawn along a rough surface. The force applied in the direction of motion is 135 N while the frictional force is 90 N. if there is an air resistance whose magnitude (in N) is equal to twice the velocity (m/s) at any instant, assume the body to start from rest.Determine the displacement at any time, t.
To apply Newton’s second law and the theorem of conservation of energy to solve kinetic problems. A bungee jumper wants to jump off the edge of a bridge that spans a river below. The jumper has a mass m, and the surface of the bridge is a height h above the water. The bungee cord, which has lengthL when unstretched, will first straighten and then stretch as the jumper falls.Assume the following: The bungee cord behaves as an ideal spring once it begins to stretch and has spring constant k. The jumper does not actually jump but simply steps off the edge of the bridge and falls straight downward. The jumper's height is negligible compared to the length of the bungee cord. Thus, the jumper can be treated as a point particle. Use g for the magnitude of the acceleration due to gravity. How far below the bridge, d, will the jumper eventually be hanging, once the jumper stops oscillating and comes finally to rest? Assume that the jumper does not touch the water. Express your answer in…
What allows us to make the determination that the boxes arent moving at the same velocity after being released from rest? It seems to me we would base this off of each boxes resistance to friction, but in this problem they are moving on a smooth surface. And then in this problem, we consider the boxes to move at the same velocities after the spring is released? Please explain how we can make this judgement. This is the problem: The two blocks A and B each have a mass of 5 kg and are suspended from parallel cords. A spring, having a stiffness of k=60 N/m is attached to B and is compressed 0.3 m against A and B as shown. Determine the maximum angles θ\thetaθ and ϕ\phiϕ of the cords when the blocks are releasedfrom rest and the spring becomes unstretched.
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