Q11. As shown in the image below, the freight cars A and Bare approaching each other, and they have a mass of ma = 19 Mg and mB = 14 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are VA,1 = 9.2 m/s and vB,1 = 6.8 m/s. If the coefficient of restitution between the bumpers is e = 0.4, determine the velocity of A after collision. Right is considered the positive direction and negative sign must be included if A moves to the left after the collision. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper Sl unit. V4,1 A VB,1 В

Q11. As shown in the image below, the freight cars A and Bare approaching each other, and they have a mass of ma = 19 Mg and mB = 14 Mg, respectively. The directions of their initial velocities are shown in the image, and the speeds are VA,1 = 9.2 m/s and vB,1 = 6.8 m/s. If the coefficient of restitution between the bumpers is e = 0.4, determine the velocity of A after collision. Right is considered the positive direction and negative sign must be included if A moves to the left after the collision. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point, and proper Sl unit. V4,1 A VB,1 В

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

See similar textbooks

Similar questions

A tennis ball is projected toward a smooth surface with speed v as shown. Determine the rebound angle 0'and the final speed v'. The coefficient of restitution is 0.53. Assume 0 = 48°. Answers: v' = V O' = %D
The two disks A and B have a mass of 4 kg and 5 kg, respectively. They collide with the initial velocities shown. The coefficient of restitution is e = 0.7. Suppose that (VA)1 = 6 m/s, (VB)₁ = 7 m/s. (Figure 1) Determine the magnitude of the velocity of A just after impact. Express your answer to three significant figures and include the appropriate units. με ? (VA)2= Value Units igure (VB)1 B (VA)1 60° Line of impact Submit Request Answer Part B Determine the angle between the x axis and the velocity of A just after impact, measured clockwise from the negative x axis. Express your answer in degrees to three significant figures. ΜΕ ΑΣΦ Η vec 0₁ = 1 of 1 Submit Request Answer Part C ? Determine the magnitude of the velocity of B just after impact. Express your answer to three significant figures and include the appropriate units. HÅ ? (VB)2= Value Units
If it is originally at rest, determine its speed when 9 s. Neglect the effect of water resistance. Express your answer to three significant figures and include the appropriate units
t Collar A (30 kg) and collar 8 (18 kg) slide along the smooth rod with the given velocities when they collide with each other. If the coefficient of restitution between the two collars is e0.75, determine the velocities of collar A and collar 8 after the collision using conservation of momentum and the coefficient of restitution. 5 m/s 10 m/s
The 0.5-kg ball is fired from the tube at A with a velocity of v = 7 m/s. The coefficient of restitution between the ball and the surface is e = 0.8. Suppose that a = 1.5 m. (Figure 1) Figure a 30° B Part A Determine the height h after it bounces off the surface. Express your answer to three significant figures and include the appropriate units. h = Submit ■ O ΜΑ Value Provide Feedback Request Answer Units ?
A two-engine jet transport has a loaded weight of 94000 Ib and a forward thrust of 8770 Ib per engine during takeoff. If the transport requires 6020 ft of level runway starting from rest to become airborne at a speed of 145 knots (1 knot = 1.151 mi/hr), determine the average resistance R to motion over the runway length due to drag (air resistance) and mechanical retardation by the landing gear. Answer R = i Ib
None
A toboggan having a mass of 12 kg starts from rest at A and carries a girl and boy having a mass of 40 kg and 45 kg, respectively. When the toboggan reaches the bottom of the slope at B, the boy is pushed off from the back with a horizontal velocity of vỏ/t = 2 m/s, measured relative to the toboggan. Suppose that h = 3.2 m. Neglect friction in the calculation. (Figure 1) Figure B vbil A h Part A Determine the velocity of the toboggan afterwards. Express your answer to three significant figures and include the appropriate units. Vt = Submit Value Provide Feedback Request Answer Units ?
Problem 7. The curling stone A slides over the ice track and strikes another stone B, as shown. If each stone is smooth and has a weight of 50 lb, and the coefficient of restitution between the stones is e=0.72, determine their speeds just after collision. Initially, B is at rest and A has an initial velocity as shown. Neglect friction. -3 ft A 30° (v₁)₁ = 8 ft/s
Determine the coefficient of restitution e for a steel ball dropped from rest at a height h above a heavy horizontal steel plate if the height of the second rebound is h2. Can someone please explain to me how the book is getting that equation?
Q10. In the image below, the directions of the velocities of ball A and ball B before and after their collision are given. If the speeds are vA.1 = 10.1 m/s, vB.1 = 2.3 m/s, VA,2 = 2.4 m/s, and vB,2 = 6.9 m/s. Determine the coefficient of restitution e between ball A and ball B. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point. VA,1 VB,1 A В Before collision V4,2 VB,2 A В After collision Your Answer: Answer
Two spheres of different masses and initial velocities collide with each other on frictionless surface, as shown in Figure 5. Assume the collision is direct central and the coefficient of restitution e = 0.8, determine their velocities after the collision.