A ball is thrown vertically upwards. Which of the following graphs represents the velocity-time graph of the ball during its flight(air resistance is neglected).
Correct answer: D. Graph D
- A. Graph A
- B. Graph B
- C. Graph C
- D. Graph D
Explanation
When a ball is thrown vertically upwards , velocity decreases linearly with time (due to constant downward acceleration g). At the topmost point, velocity becomes zero. Then velocity increases linearly in the negative direction (downward). The velocity-time graph is a straight line with negative slope, crossing the time axis.
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