Two joggers run at a constant velocity of 7.5 ms toward the, Ask an Expert

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Q. 1. What information can you obtain from a velocity-time graph?

2. Two joggers run at a constant velocity of 7.5 m/s toward the east. At time t=0, one is 15m east of the origin and te other is 15m west.

A: what would be the differences in the position-time graphs of their motion?

B: What would be the differences in their velocity-time graphs?

3. Explain how you would use a velocity-time graph to find the time at which an object had a specific velocity?

4. Draw a velocity-time graph for a car that goes east at 25m/s for 100s, then west at 25m/s for another 100s.

5. A canoeist paddles upstream at 2m/s and afterwards turns around and floats downstream at 4m/s. The turn-around time is 7s.

A: What is an average velocity of canoe?
B: What is an average acceleration of canoe?

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