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Galina-37 [17]
3 years ago
13

PLS HELP!! need the answer asap

Mathematics
1 answer:
Veronika [31]3 years ago
6 0

Answer: FDC=14

ADB=90

BDE=14

CDE=166

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Answer:

The tires are spinning at 660.49 revolutions per minute.

Step-by-step explanation:

The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:

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Where:

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\omega = \frac{55 mph}{14 inches*\frac{1 mile}{63360 inches}} = 2.49 \cdot 10^{5} \frac{rad}{h}*\frac{1 h}{60 min}*\frac{1 rev}{2\pi rad} = 660.49 rpm              

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