Question

A Porsche 944 Turbo has a rated engine power of 217hp.30% of the power is lost in the drive train, and 70% reaches the wheels. The total mass of the car and driver is 1450 kg, and two-thirds of the weight is over the drive wheels. − Part B If the Porsche accelerates at a max

​ , what is its speed when it reaches maximum power output? Express your answer with the appropriate units. * Incorrect; Try Again; 5 attempts remaining − Part C How long does it take the Porsche to reach the maximum power output? Express your answer with the appropriate units.

Answer 1

Main answer in 2 lines:
The speed of the Porsche when it reaches maximum power output depends on various factors. The time it takes to reach maximum power output can be calculated using acceleration and power equations.

Explanation in 160 words:
To determine the speed of the Porsche when it reaches maximum power output, we need more information about the acceleration and power characteristics of the car. The acceleration depends on factors such as the force applied, mass of the car, and the friction between the tires and the road. Without this information, we cannot calculate the speed accurately.

To calculate the time it takes to reach maximum power output, we can use the power equation: Power = Work/Time. Since the power output is given, we need to know the work done to reach this power output. This information is not provided in the question. Therefore, we cannot calculate the time accurately.

Overall, more details about the car's acceleration and work done are needed to accurately determine the speed and time at maximum power output.