Hello! Do you have any type of problem in Physics, Math, and Chemistry? Congratulations! Your problem is solved. My name is Usman Hassan. I'm an experienced and professional tutor. I'm here to solve your problem and I will be your online tutor of Physics, Math, and Chemistry. I have completed my Master's Degree from GC University Lahore a well-known university in Pakistan. Now I'm doing MPhil in Physics and I help you in the following subjects: Physics: -Mechanics Mathematics: -Basic mathematics Chemistry: -Organic Why do you order? step by step solution Feel free to contact me, Thanks. Best Regards: Usman Hassan