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1) An automobile changes speed from 20 m/s to 60 m/s in 4.0 sec. Calculate the ACCELERATION of the automobile during this 4.0 sec time interval: (s2 means seconds squared)
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40 votes
40 votes
1) An automobile changes speed from 20 m/s to 60 m/s in 4.0 sec.

Calculate the ACCELERATION of the automobile during this 4.0 sec time
interval: (s2 means seconds squared)

User Jonathan Eckman
by
3.3k points

2 Answers

20 votes
20 votes

Answer:

Explanation:Assuming the car is still moving in the same direction, the change in velocity is -15 m/s, which happens over a period of 5 seconds. The average acceleration ...

User YahyaE
by
2.6k points
24 votes
24 votes

Answer: 10m/s^2

Step-by-step explanation:

You could use acceleration = Change in velocity/ time

which is (60-20)/4

which is 40/4

and gets you 10m/s^2

User Whereswalden
by
3.0k points
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