A 2. 00 kg block is pushed against a spring with negligible mass and force constant k=400n/m, compressing it 0. 220 m. When the block is released, it moves along a frictionless, horizontal surface and then up a frictionless incline with slope 37. 0∘.

The answer would be d

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.