First order equation

What is first order difference equation? Definition A first-order difference equation is an equation. xt = f(t, xt−1), where f is a function of two variables. How do you solve first order equations? Here is a step-by-step method for solving them:Substitute y = uv, and. Factor the parts involving v.Put the v term equal to […]

Energy equation physics

What is the formula for energy? The formula that links energy and power is: Energy = Power x Time. The unit of energy is the joule, the unit of power is the watt, and the unit of time is the second. How do you solve for energy in physics? In classical mechanics, kinetic energy (KE) […]

Quadratic equation word problems

How do you solve quadratic equations Problems? Solving Quadratic EquationsStep I: Denote the unknown quantities by x, y etc.Step II: use the conditions of the problem to establish in unknown quantities.Step III: Use the equations to establish one quadratic equation in one unknown.Step IV: Solve this equation to obtain the value of the unknown in […]