The power, P (watts) , of a car engine is proportional to the square of its speed, s ( m / s ) . When s = 45 , P = 2180 . Work out the speed (to 1 DP) when the power is 2320 watts
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0
Answer:
The power,
P
(watts)
, of a car engine is proportional to the square of its speed,
s
(
m
/
s
)
.
When
s
=
45
,
P
=
2200
.
Work out the speed (to 1 DP) when the power is
1890
watts
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Answered by
0
Answer:
46.4 m/s
Step-by-step explanation:
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