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Author Question: Suppose that a Ferrari and a Porsche begin a race with a moving start, and each moves with constant ... (Read 13 times)

RODY.ELKHALIL

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on: Jul 27, 2018
Suppose that a Ferrari and a Porsche begin a race with a moving start, and each moves with constant speed. One lap of the track is 2 km. The Ferrari laps the Porsche after the Porsche has completed 9 laps.
 
  If the speed of the Ferrari had been 10 km/h less, the Porsche would have traveled 18 laps before being overtaken. What were the speeds of the two cars?

Question 2

Incompressible flow means that the fluid's density is constant.
 
  Indicate whether the statement is true or false


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guyanai

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Porsche speed = 180 km/h; Ferrari speed = 200 km/h

Answer to Question 2

TRUE


RODY.ELKHALIL

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Reply 2 on: Jul 27, 2018
Wow, this really help

adf223

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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