Asked by Mostafa
a 2000kg car travelling west with a speed of 20m/s collides at an intersection with a 3000kg car travelling south at a speed of 20m/s. find the direction and magnitude of the velocity of the wreckage after the collision, assuming the collision was perfectly inelastic(that is, they stick together).
Answers
Answered by
Damon
west inertia before = west inertia after
2000 * 20 = 5000 * Vwest
south inertia before = south inertia after
3000 * 20 = 5000 * Vsouth
V = sqrt (Veast^2+Vsouth^2)
tangent of angle west of south = Vwest/Vsouth
compass course = 180 + that angle
2000 * 20 = 5000 * Vwest
south inertia before = south inertia after
3000 * 20 = 5000 * Vsouth
V = sqrt (Veast^2+Vsouth^2)
tangent of angle west of south = Vwest/Vsouth
compass course = 180 + that angle
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