Doc Al said:Redo the arithmetic in the last step, when solving for v.
Yes, it looks fine. My only suggestion is that you be careful about rounding off too soon.coffeem said:does the rest of it look ok?
Solving mechanics problems can be challenging, and it's common to make mistakes along the way. It's important to carefully read the problem and understand the concepts involved. It may also be helpful to break down the problem into smaller parts and use diagrams or equations to visualize and solve it.
Practice is key to improving any skill, including mechanics problem solving. Make sure you have a strong understanding of the fundamental concepts and principles, and then try solving a variety of problems. You can also seek help from a teacher or tutor, or use online resources for additional practice.
If you get stuck on a mechanics question, take a step back and review the information and equations you have at your disposal. It may also be helpful to work through similar problems or seek assistance from a teacher or tutor. Don't get discouraged – problem solving takes time and practice.
Checking your work is crucial in solving mechanics problems. Small mistakes can lead to incorrect answers, and it's important to catch and correct them before moving on. You can check your work by plugging the final values into the original equations, or by using logic and common sense to ensure your answer makes sense.
Mistakes are a natural part of problem solving, but there are ways to minimize them. Carefully read and understand the problem, double check your work, and break down the problem into smaller parts. It's also important to practice and review the fundamental principles and equations regularly to strengthen your problem solving skills.