1.3 TRANSPOSITION OF FORMULAE

1. Transpose the formula to make u as the subject.

Rearrange each of the following formulae to make the quantity shown as the subject.

2. v = u + at , u

3. v2= u2+2as , s

4. , a

5. p =2(w + h) , h

6. Change the subject to b for 2

102 bcaa

7. Change the subject to s for 222 2asuv .

8. Express as a subject of the formula .

9. Given that ,

(a) write n as the subject of the formula.

(b) calculate the value of n if H = 8.

10. Given that the volume of a cylinder . Make r as the subject, then find the

value of r if V = 42cm3 , h = 3cm and = 3.142 .

Mariana21/7/2013