A vehicle weighing 150kn & traveling at 2 m per sec impacts with spring which compresses 1. 25 cm per 10 kn. What will be the stiffness of spring in n per meter.

Idk is this even a question hair smell like poop

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

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answer:

is this serious

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