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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 wat…

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 wat…
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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
8.5k points

1 Answer

5 votes

Answer:

30

Explanation:

User Jediz
by
8.2k points
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