The equation for kinetic energy $E_k$ may be obtained from the equations of motion. Four equations connected with motion are given below. 1. $W = Fs$ 2. $F = ma$ 3. $v^2 = u^2 + 2as$ 4. $P = \dfrac{W}{t}$ Which three equations are suitable for deriving the equation for $E_k$?
- A1, 2 and 3
- B1, 2 and 4
- C1, 3 and 4
- D2, 3 and 4