96.8k views
5 votes
The power,

P
(watts)
, of a car engine is proportional to the square of its speed,
s

(
m
/
s
)
.
When
s
=
20
,
P
=
2000
.
Work out the speed (to 1 DP) when the power is
1960
watts

User DustInComp
by
6.4k points

1 Answer

5 votes

Answer:

30

Explanation:

User Jediz
by
5.7k points