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Brut [27]
3 years ago
8

Anyone know the answer ?

Physics
1 answer:
telo118 [61]3 years ago
5 0
The power supply isn't connected
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3 years ago
A car with a mass of 1.50x10^3 kg starts from rest and accelerates to a speed of 18.0m/s in 12.0 s. assume that the force of res
Luden [163]
The first thing you should know for this case is the definition of distance.
 d = v * t
 Where,
 v = speed
 t = time
 We have then:
 d = v * t
 d = 9 * 12 = 108 m
 The kinetic energy is:
 K = ½mv²
 Where,
 m: mass
 v: speed
 K = ½ * 1500 * (18) ² = 2.43 * 10 ^ 5 J
 The work due to friction is
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 Where,
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 d = distance:
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 The power will be:
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 Where,
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 answer:
 the average power developed by the engine is 23.9 kW
8 0
3 years ago
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