Treyfish316 Treyfish316

02-09-2018
Physics

contestada

A race car driver must average 200km/hr for four laps to qualify for a race. Because of engine trouble, the car averages only 170km/hr over the first two laps. What is the average speed must be maintained for the last two laps

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toonietown toonietown

02-09-2018

the average speed would have to be 260 km/hr due to the driver originally going 30 km/hr too slow the first two laps

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