15-59. The 5-Mg truck and 2-Mg car are traveling with thefree-rolling velocities shown just before they collide. Afterthe collision, the car moves with a velocity of 15km/h to theright relative to the truck. Determine the coefficient ofrestitution between the truck and car and the loss of energydue to the collision.30 km/h10 km/h

Answered: Image /qna-images/answer/2223ecce-d5ac-403b-917a-54c6a774c645.jpg

Answered: 15-59. The 5-Mg truck and 2-Mg car are…

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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The system is at rest with the spring unstretched when 8 = 0. The 4 kg particle is then given a slight nudge to the right. (@) If the system comes to momentary rest at e = 36", determine the spring constant k. (b) For the value k=110 N/m, find the total energy and speed of the particle when 8 = 20°. Neglect friction. h= 0.4 m
r= 0.3 (1 + cos 0) m 500 N/m The 3-kg collar slides along the smooth rod after being nudged from rest at A, and travels along the rod to pass point B. Given that the free length of the spring is 100 mm and that r is the actual length of the spring: Draw Free Body Diagrams for the collar at position A and at position B.
The two cars collide at right angles in the intersection of two icy roads. Car A has a mass of 1000 kg and car B has a mass of 1775 kg. The cars become entangled and move off together with a common velocity in the direction indicated. If car A was traveling 42 km/h at the instant of impact, compute the corresponding velocity of car B just before impact. 21 VA = 42 km/h Answer: Vâ = i km/h
Each of the sliders A and B has a mass of 3.0 kg and moves with negligible friction in its respective guide, with y being in the vertical direction. A 29-N horizontal force is applied to the midpoint of the connecting link of negligible mass, and the assembly is released from rest with e = 0. Calculate the speed v with which A strikes the horizontal guide when e = 90°. 0.41 m 29 N 0.41 m B Answer: v = i m/s
29
Q17. As shown in the image below, the 0.7-kg ball strikes the rough ground and rebounds. The directions of its velocities before and after the strike are shown. If the speeds are v₁ = 27 m/s and v₂ = 12 m/s, determine the magnitude of the impulse (in N.s) the ground exerts on the ball. Assume that the ball does not slip when it strikes the ground, and neglect the size of the ball and the impulse produced by the weight of the ball. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. V₁ Your Answer: 45° Answer 30° 02
None
The 0.7 lblb ball is shot from the spring device shown Determine the smallest stiffness k which is required to shoot the ball a maximum distance of 31 in. up the smooth plane after the spring is pushed back 3 in . and the ball is released from rest. The four cords C and plate P keep the spring compressed 2 in. when no load is on the plate.
The 1440-kg car has a velocity of 26 km/h up the 7-percent grade when the driver applies more power for 10 s to bring the car up to a speed of 64 km/h. Calculate the time average F of the total force tangent to the road exerted on the tires during the 10 s. Treat the car as a particle and neglect air resistance. 1 7 100 Answer: F = kN
The 12-Mg truck drives onto the 396-Mg barge from the dock at 17 km/h and brakes to stop on the deck. The barge is free to move in the water, which offers negligible resistance to motion at low speeds. Calculate the speed of the barge after the truck has come to rest on it. 17 km/h 396 Mg 12 Mg Answer: v = km/h
An engineer is studying the impacts of frontal car collisions on the occupants.If a 1900-lb car with velocity vA = 30 mph collides head on with a 2800-lb car with velocity vb =20 mph, the coefficient of restitution of the impact is e = 0.15, then determine the velocities ofeach car after the collision. Assume car A and car B are on a flat surface, with car A traveling tothe right and car B traveling to the left.

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