Page 81 - Math SL HB Sem 1
P. 81
fl{oxiuum tnark-. 6J
t2.
The area ,{ knr2 a-sected by a foresttle at time r hours is grven by ,.1 lo e,,
=
= *ea i.s 0.2 kmrh_:.
When r J, tlre 6.sa a0-ectd is 1 kn! aud the rats .h".e:;;;*
u \ "f
w G) Shorv that ,t = 0.2 .
[4 rnarksJ
O) (iiveu that lo
=-. find the rzlue of , rvhen 100 krrr are affected
[2 mark:J
Art, ,18.0
