byronford1594461 byronford1594461

28-09-2019
Mathematics

contestada

declaration a plane at the uniform rate of 8.0 meter/second ^2 , a pilot stops the plane in 484 meters. how fast was the plane going before breaking began ?

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sqdancefan sqdancefan

30-09-2019

Answer:

88 m/s

Step-by-step explanation:

The appropriate formula relating initial speed v, acceleration a, and distance d is ...

v² = 2ad

v² = 2(8 m/s²)(484 m) = 7744 m²/s²

Taking the square root gives ...

v = √7744 m/s = 88 m/s

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