When should you Use Relativity? As you have seen, relativistic calculations usually involve the quantity 'Y. When

Question:

When should you Use Relativity? As you have seen, relativistic calculations usually involve the quantity 'Y. When 'Y is appreciably greater than 1, we must use relativistic formulas instead of Newtonian ones, for what speed v (in terms of c) is the value of' γ
(a) 1.0% greater than 1;
(b) 10% greater than I;
(c) 100% greater than I?