11. The velocity time graph of a moving body is shown in the figure.
Which of the following statement is true?
a. The acceleration is constant and positive
b. The acceleration is constant and negative
c. The acceleration is increasing and positive
d. The oceleration is increasing and ed
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Answer:
a. The acceleration is constant and positive
Explanation:
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(a). The velocity-time graph of a moving body is "the acceleration is constant and positive".
The acceleration is constant and positive:
- The velocity is added to by the continual positive acceleration.
- As a result, as time passes, the velocity becomes increasingly positive.
- In a positive direction, the object accelerates.
Velocity-time graph
- The object's acceleration is shown on the vertical axis.
- If you read the value of the graph below at a specific time, you'll get the object's acceleration in meters per second squared for that exact moment.
- See how the acceleration—abbreviated Acc—changes by sliding the dot horizontally on the graph below to choose different times.
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