28) Air can be considered a mixture. Which statement helps describe air? A) Air contains a fixed ratio of atoms. B) The componen
2 answers:
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If two object experiences the same displacement at the same time, the two objects must have the same average velocity.
The average velocity of an object is defined as the change in displacement per change in time of motion. This can be written as follows;
If two object experiences the same displacement at the same time, it means that the change in displacement with time is constant.
Thus, we can conclude that if two object experiences the same displacement at the same time, the two objects must have the same average velocity.
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Answer:
The final velocity of the car after the acceleration takes place is 13 m/s.
Explanation:
The final velocity can be calculated using the following equation:
Where:
: is the initial velocity = 0 (starts from rest)
a: is the acceleration = 2 m/s²
t: is the time = 6.5 s
Hence, the final velocity is:
Therefore, the final velocity of the car after the acceleration takes place is 13 m/s.
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