The problem involves a collision between a truck and a car, where the truck has a mass four times greater than the car and is moving at 12 km/h. The principle of conservation of momentum applies, allowing the use of the equation m1v1 = m2v2 to find the final velocity after the collision. Since the truck and car stick together post-collision, their combined mass and initial momentum can be used to calculate the final velocity. The final velocity can be determined using the equation (m1 * v1) / (m1 + m2), leading to a definitive solution.
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Welcome to Physics forums.silverduelist said:Homework Statement
"A truck weighs four times as much as a car, If the truck coasts into the car at 12 km/h and they stick together, what is their final velocity."
Homework Equations
Change in momentum a = change in momentum b
OR
m1v1 = m2v2
OR
(delta)P system = 0
The Attempt at a Solution
I HAVE NO IDEA. SRSLY.