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the skid marks left by the decelerating jet-powered car the spirit of america were 9600 m long before it came to a stop at 198 m/s, how long did it take for the car to stop ?
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the skid marks left by the decelerating jet-powered car the spirit of america were 9600 m long before it came to a stop at 198 m/s, how long did it take for the car to stop ?

User Dhaval Shukla
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2 Answers

5 votes

Answer:

Δx = ½ (v + v₀) t

9600 m = ½ (0 m/s + 198 m/s) t

t = 97 s

Step-by-step explanation:

User Zfalen
by
4.5k points
4 votes

Answer:

97 s

Step-by-step explanation:

Given:

Δx = 9600 m

v₀ = 198 m/s

v = 0 m/s

Find: t

Δx = ½ (v + v₀) t

9600 m = ½ (0 m/s + 198 m/s) t

t = 97 s

User Dulini Atapattu
by
4.5k points
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