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In 8.0 seconds a truck accelerates 5.7 m/s² to 57.7 m/s. How fast was the car going before it accelerated? (Round to one decimal place ex 14.1)
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In 8.0 seconds a truck accelerates 5.7 m/s² to 57.7 m/s. How fast was the car going before it accelerated? (Round to one decimal place ex

14.1)

User Justin Ko
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1 Answer

16 votes
16 votes

Answer:

12.1 m/s

Step-by-step explanation:

If the car is gaining 5.7 meters per second of speed for 8 seconds then we need to multiply 5.7 by 8. this gives us 45.6

Now all we need to do is subtract 45.6 from 57.7. This is 12.1

User Nibbana
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