Practice Speed-time Graph (2.7.2) - Kinematics

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10 questions

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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does a horizontal line on a speed-time graph represent?
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Think about what it means when something is not changing.
Question 2.
What does an upward sloping line indicate on a speed-time graph?
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Is the speed increasing or decreasing?
3Question 3.
What does a slope on a speed-time graph represent?
- Constant speed
- Acceleration
- Displacement
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Think about how speed changes over time.
4Question 4.
True or False: A horizontal line on a speed-time graph indicates speeding up.
- True
- False
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Consider what 'constant' means.
Question 5.
A cyclist moves at a constant speed for 5 minutes, then accelerates to 25 m/s in 10 seconds. Draw the speed-time graph and explain the sections.
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Break it into segments: constant and acceleration phases.
Question 6.
A car increases its speed from 0 to 80 m/s in 20 seconds and then maintains this speed for 15 seconds before decelerating to a stop in 10 seconds. Sketch a speed-time graph and detail motion.
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Identify phases for each segment: acceleration, constant speed, deceleration.

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