In a collision a Hummer going 27.0 km/h collides with a Volkswagen Beetle travelling at 81.0 km/h [W] (angle shown in diagram). If the collision is completely inelastic and the vehicles stick together what is their velocity following the collision? 140⁰ MB = 835 kg
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- 1. A billiard ball, labeled 1, moving horizontally strikes another billiard ball, labled 2, at rest. Before the impact ball 1 was moving at a speed of 5.0000 m/s and after the impact it is moving at a speed of 3.0000 m/s at an angle of 50 degrees from the original direction. The two balls have equal mass. Vii O Ball 1 only O Ball 2 only m₁ y m₂ 0₂ Vif m₁ m/s m₂ V2f (a) What should you consider a system for the collisional forces to be internal in order to apply the law of conservation of momentum ? X O Ball 1 and Ball 2 (b) Write conservation of momentum equations for the x and y directions separately and solve for the speed of ball 2 after the impact. Speed of ball 2 after impact =Question Vị = 8 m/s A Vi = 16 m/s Objects A and B (Mass A = 6kg, Mass B = 4kg) have a head-on collision as shown. Immediately before the collision, Object A has a velocity of 8 m/s to the right, and Object B has a velocity 16 m/s to the left. Immediately after the collision, Object A has a velocity 4 m/s to the left. What is the magnitude and direction of the velocity of Object B ilmmediately after the collision? %3D AnswerA marble with mass ?? = 2.5 [g] moves eastward with speed ?? = 1.75 [m/s]. It then collides with another marble of mass ?? = 1.25 [g] and is moving northward with a speed ?? = 2.30 [m/s]. After the collision, marble ? now moves at 50° north of east, while marble ? moves at 20° south of east. 2 A. What is the speed of marble ? after the collision? B. What is the speed of marble ? after the collision? C. Is energy lost or gained in the system
- 云 HI 5 F. %24 -10 Part A Jeanette is playing in a 9-ball pool tournament. She will win if she sinks the 9-ball from the final rack, so she needs to line up her shot precisely. Both the cue ball and the 9-ball have mass m, and the cue ball is hit at an initial speed of v. Jeanette carefully hits the cue ball into the 9-ball off center, so that when the balls collide, they move away from each other at the same angle 0 from the direction in which the cue ball was originally traveling (see figure). Furthermore, after the collision, the cue ball moves away at speed vf, while the 9-ball moves at speed vp. (Figure 1) Find the angle 0 that the 9-ball travels away from the horizontal, as shown in the figure. Express your answer in degrees to three significant figures. > View Available Hint(s) For the purposes of this problem, assume that the collision is perfectly elastic, neglect friction, and ignore the spinning of the balls. Submit Provide Feedback Figure 1 of 1 MacBook Air 08 F3 O00 000 F2…A 14,000-kg boxcar is coasting at 1.50 m/s along a horizontal track when it suddenly hits and couples with a stationary 10,000-kg boxcar. What is the speed of the cars just after the collision? m/sTwo carts are involved in an elastic, head on collision. Cart A has a mass of mA = 1.5mB, and initial velocity of vAi = 4.5 m/sto the right. Cart B has an initial velocity of vBi = 0m/s and a final velocity ofvBf = 2m/sto the right after the collision. a) What is the final velocity of cart A? b) What is the mass of cart B?
- 5. A 3000g crate of cakes travelling at 10ms^-1 collides with 15kg box of cans of diet coke travelling in the opposite direction at 5ms^-1 on a frictionless surface. The crates of cakes rebound at 4.5 ms^-1, at what velocity and what direction does the box of cans travel after the collision?Problem B) An inelastic collision occurs between a particle of mass 1.5 kg moving with an initial velocity of v = (-2i – 1.33 + 0.7k) m/s and another particle of mass 0.8 kg that has an initial velocity of v = (5.6å + 0.53 + 4.3k) m/s. What is the final velocity of the particles in unit vector notation? %3D