1 of 6
calci
Pd
The power, P (watts), of a car engine is proportional to the
squa...
Mathematics, 26.01.2021 19:20 davienwatson8
1 of 6
calci
Pd
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 power (to 1 DP) when the speed is 30 m/s
.
(Ń
P
u
watts
ON
Answers: 3
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