Question
At a crossing a truck travelling towards the north collides with a car travelling towards the east. After the collision the car and the truck stick together and move off at an angle of 30 º east of north. If the speed of the car before the collision was 20 ms−1, and the mass of the truck is twice the mass of the car, calculate the speed of the truck before and after the collision.
Answer :
Word Count : 108
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Skip in 10
Let us apply momentum conservation law
Thus
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Let us consider mass
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