Ws Nd1 Transposition _2

Transposition (2) Transposition of Simple Formulae EXERCISE 1 1. Transpose each of the following formulae for the letter indicated in < >:: (a) l = 2 r < r >

(b) l =

ANS: r = (c) v = a + gt

< r >

l 2

< g >

ANS: r = 9 (d) F = C + 32 5

ANS: g = (e) S = A(1 + rl )

ra 180

(f) S = 2 r (r + h)

ANS: r =

< C >

v a t

< r >

S

A Al

180l a

ANS: C =

5 F 160 9

ANS: r =

S 2 r2 2 r

< h >

(g) S =

h ( a + b) 2

< b >

(h)

ANS: b = (e) p =

w w v

(e)

1 1 1 + = a b c

< a >

2S ah h

< v >

ANS: a = (e)

ANS: v =

S = ab + bc + ca 2

1 1 + =z x y

< x >

( p 1) w p

< c >

ANS: x =

(c)

ANS: c =

ab a+b

S 2bc 2(b + c)

1 1 = f g

1 h

y zy 1

< h >

ANS: h =

fg f

g