Created by T Madas Question 47 Rearrange the following formulae for the variable written inside the square bracket a) v = u + at [a ] (*) a= v −u t b) y = x + [ x] (*) x= y −3 c) y = bt − [t ] (*) t= y+3 b d) A = π r [r ] (*) r=± e) v = u + 2as [u ] (*) u = ± v − 2as (*+) Q= T −P (*+) Q= R−X T h) F = Mr [ M ] (*+) M= i) V = Bx3 [ x] (*+) r=3 f) P = T − 7Q [Q] g) X = R − QT [Q] Created by T Madas A π F r3 V B Created by T Madas Question 48 Rearrange the following formulae for the variable written inside the square bracket a) s = v [t ] t (*+) t= b) h = V mg [ m] (*+) m= c) A = xy 2t [t ] (*+) t= (*+) t=± (*+) m= f) V = π r [r ] (**) r=3 g) V = π r 2h [r ] (**) r=± 3V πh (**) x=± 4E (**+) x= d) s = at [t ] e) E = h) E = mv [m] x [ x] i) T = λ x a [ x] Created by T Madas v s v gh xy 2A 2S a 2E v2 3V 4π Ta λ