Answer:
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Step-by-step explanation:
Acceleration is the change in velocity over the change in time. Therefore, the formula for calculating acceleration is:

Since the body's velocity increased from 10 meters per second to 15 meters per second 15 m/s is the final velocity and 10 m/s is the initial velocity. The time is 5 seconds.
= 15 m/s
= 10 m/s
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Solve the numerator.
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Divide.


The acceleration is 1 meter per second squared.