1) The equation for calculating elastic potential energy (KE) is a) 1/2 x spring constant (k) x extension2 (e2) b) 1/2 x mass (m) x velocity2 (v2) c) mass (m) x gravitational field strength (g) x height (h) 2) The equation for calculating gravitational potential energy (GPE) is a) 1/2 x spring constant (k) x extension2 (e2) b) 1/2 x mass (m) x velocity2 (v2) c) mass (m) x gravitational field strength (g) x height (h) 3) The equation for calculating elastic potential energy (EPE) is a) 1/2 x spring constant (k) x extension2 (e2) b) 1/2 x mass (m) x velocity2 (v2) c) mass (m) x gravitational field strength (g) x height (h) 4) State the unit for energy. a) Joules (J) b) Ohms (Ω) c) Amps (A) 5) Mass must be in which unit before using it in a calculation (except for density) a) grams b) kilograms c) tonnes 6) Distances (height, length, width etc....) must be in which unit when used in calculations a) millimetres b) centimetres c) metres d) kilometres

Energy equations

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