4. The brakes of a car moving at 14 m/s are applied, and the car comes to a stop in 4s. How far does the car go, while it is slowing down from 14 to 10 m/s? 5. The brakes of a car whose initial velocity is 30 m/s are applied, and the car receives an acceleration of -2 m/s². How far will it have gone (a) when its velocity has decreased to 15 m/s and (b) when it comes to a stop? 6. A car starts from rest and accelerates 10 m/s². (a) How far will it travel after 5 seconds? (b) How far will it travel during the sixth second?
4. The brakes of a car moving at 14 m/s are applied, and the car comes to a stop in 4s. How far does the car go, while it is slowing down from 14 to 10 m/s? 5. The brakes of a car whose initial velocity is 30 m/s are applied, and the car receives an acceleration of -2 m/s². How far will it have gone (a) when its velocity has decreased to 15 m/s and (b) when it comes to a stop? 6. A car starts from rest and accelerates 10 m/s². (a) How far will it travel after 5 seconds? (b) How far will it travel during the sixth second?
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Transcribed Image Text:B. Solve the problems correctly. Present all solutions.
3.
all Upiect ct:
5?
4.
The brakes of a car moving at 14 m/s are applied, and the car comes to a stop in 4s. How far does the car go,
while it is slowing down from 14 to 10 m/s?
5.
The brakes of a car whose initial velocity is 30 m/s are applied, and the car receives an acceleration of -2 m/s².
How far will it have gone (a) when its velocity has decreased to 15 m/s and (b) when it comes to a stop?
6. A car starts from rest and accelerates 10 m/s². (a) How far will it travel after 5 seconds? (b) How far will it
travel during the sixth second?
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