John goes for a run. From his house, he jogs north for exactly 5.0 min at an average speed of 8.0 km/h. He continues north at a speed of 12.0 km/h for...
A man starts his car from rest and accelerates at 2 m/s^2 for 2 seconds. He then continues at a constant velocity for 11 seconds until he sees a tree blocking the road and applies brakes. The car, decelerating at 2 m/s^2 finally comes to rest. Which of the following graphs represents the motion correctly?
A man starts his car from rest and accelerates at 2 m/s^2 for 2 seconds. He then continues at a constant velocity for 11 seconds until he sees a tree...
Moustapha Jones drives east at 100 km/hr for 3 hours then back west at 80 km/hr for 1.5 hours. Which pair of answers gives his average speed and average velocity
Moustapha Jones drives east at 100 km/hr for 3 hours then back west at 80 km/hr for 1.5 hours. Which pair of answers gives his average speed and average...
In the graph above (same as #6) a toy rolls from +3 m to +5 m. Which of the following statements is true?
In the graph above (same as #6) a toy rolls from +3 m to +5 m. Which of the following statements is true?Answer: xi = +3...
In the graph above what is the correct description of any location to the left of the zero? (graph shows a number line for position from 0 to 10)
In the graph above what is the correct description of any location to the left of the zero? (graph shows a number line for position from 0 to 10)Answer: negative...
Which of the following units is the SI unit of velocity?
Which of the following units is the SI unit of velocity?Answer: meter per sec...
Which of the following situations represents a negative displacement? (Assume positive position is measured vertically upward along a y-axis.)
Which of the following situations represents a negative displacement? (Assume positive position is measured vertically upward along a y-axis.)Answer: A...
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