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The two cars, A and B, collided at right angles at the intersection. During the collision, the cars became entangled (AB) and moved off together to bump to a tree. Calculate the velocity (km/h) of car B just before collision with car A at the intersection. Right after bumping with the tree, determine the new velocity of the "entangled" cars. Also, compute for the percent energy lost from the cars after the two collisions occurred. Neglect the geometry of the cars before and after collision. Other details are tabulated below: Parameter Value Mass of car, ma (kg) Mass of car B, ma (kg) 1300 1650 Velocity of car A just before collision with car B, 50 Va1 (km/h) Velocity of car B just before collision with car A, Unknown, → Va1 (km/h) Coefficient of restitution between cars A and B, Unknown eAB Coefficient of restitution between the entangled cars (AB) and the tree (C), eABc 0.2

The two cars, A and B, collided at right angles at the intersection. During the collision, the cars became entangled (AB) and moved off together to bump to a tree. Calculate the velocity (km/h) of car B just before collision with car A at the intersection. Right after bumping with the tree, determine the new velocity of the "entangled" cars. Also, compute for the percent energy lost from the cars after the two collisions occurred. Neglect the geometry of the cars before and after collision. Other details are tabulated below: Parameter Value Mass of car, ma (kg) Mass of car B, ma (kg) 1300 1650 Velocity of car A just before collision with car B, 50 Va1 (km/h) Velocity of car B just before collision with car A, Unknown, → Va1 (km/h) Coefficient of restitution between cars A and B, Unknown eAB Coefficient of restitution between the entangled cars (AB) and the tree (C), eABc 0.2

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The two cars, A and B, collided at right angles at the intersection. During the collision, the cars became entangled (AB) and moved off together to bump to a tree. Calculate the velocity (km/h) of car B just before collision with car A at the intersection. Right after bumping with the tree, determine the new velocity of the "entangled" cars. Also, compute for the percent energy lost from the cars after the two collisions occurred. Neglect the geometry of the cars before and after collision. Other details are tabulated below: Parameter Value Mass of car, m, (kg) Mass of car B, my (kg) 1300 1650 Velocity of car A just before collision with car B, 50 Vai (km/h) Velocity of car B just before collision with car A, Unknown, → V81 (km/h) Coefficient of restitution between cars A and B, Unknown EAB Coefficient of restitution between the entangled 0.2 cars (AB) and the tree (C), EABC. 30° Car B Car A
Transcribed Image Text:The two cars, A and B, collided at right angles at the intersection. During the collision, the cars became entangled (AB) and moved off together to bump to a tree. Calculate the velocity (km/h) of car B just before collision with car A at the intersection. Right after bumping with the tree, determine the new velocity of the "entangled" cars. Also, compute for the percent energy lost from the cars after the two collisions occurred. Neglect the geometry of the cars before and after collision. Other details are tabulated below: Parameter Value Mass of car, m, (kg) Mass of car B, my (kg) 1300 1650 Velocity of car A just before collision with car B, 50 Vai (km/h) Velocity of car B just before collision with car A, Unknown, → V81 (km/h) Coefficient of restitution between cars A and B, Unknown EAB Coefficient of restitution between the entangled 0.2 cars (AB) and the tree (C), EABC. 30° Car B Car A
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