science
Grade6
Easy
Question
A runner starts running and gradually increases her speed to 10 m/s in 5 seconds. The acceleration of the runner is______ m/s2.
Hint:
acceleration = ∆velocity/∆time
The correct answer is: 2
Acceleration is defined as change in velocity with change in time. As runner starts from 0 and reaches to 10 m/s in 5 seconds.
The acceleration of the runner is 2 m/s2 .
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