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1-D Kinematics

1-D Kinematics. Review. Which of the following is a physical quantity that has a magnitude but no direction?. vector scalar resultant frame of reference. Which of the following is an example of a vector quantity?. distance temperature volume acceleration speed mass.

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1-D Kinematics

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  1. 1-D Kinematics Review

  2. Which of the following is a physical quantity that has a magnitude but no direction? • vector • scalar • resultant • frame of reference

  3. Which of the following is an example of a vector quantity? • distance • temperature • volume • acceleration • speed • mass

  4. The slope of a velocity time graph represents: • Displacement • Acceleration • Distance • Speed • Time

  5. A position time graph is linear with a positive slope. The slope of the corresponding velocity time graph will be: • Positive • Negative • Zero • Changing • Unable to be determined

  6. A velocity time graph is linear with a positive slope. The slope of the corresponding position time graph will be: • Positive • Negative • Zero • Changing • Unable to be determined

  7. Finding the slope between the first and last points on a position time graph will tell you the: • Acceleration • Average Velocity • Instantaneous Velocity • Free fall acceleration

  8. To find the instantaneous velocity of a car that travelled 40cm using the photogates, you must do the following? • 0.4m/tB • 0.01m/tB • 0.4m/tAB • 0.01m/tAB

  9. A cannonball is shot into the air. What is the acceleration (in m/s2) when the cannonball is at its highest point? • 0 • 9.8 • -9.8 • Not enough information

  10. A diver steps off a 10m diving board. What is the initial velocity (in m/s)? • 0 • 9.8 • -9.8 • Not enough information

  11. A diver steps off a 10m diving board. What is the diver’s displacement (in m) once she strikes the water? • 0 • 9.8 • -9.8 • 10 • -10

  12. A grasshopper leaps 0.5 m in the air and returns to the ground. What is the insect’s vertical displacement (in m)? • 0 • 1 • -9.8 • 0.5 • -0.5 • Not enough info

  13. A grasshopper leaps in the air onto a ledge for a total time of 2 seconds. What is the insect’s final velocity (in m/s)? • 0 • 9.8 • -9.8 • 0.5 • -0.5 • Not enough info

  14. A grasshopper leaps in the air at +0.5m/s and returns to the ground. What is the insect’s final velocity (in m/s)? • 0 • 9.8 • -9.8 • 0.5 • -0.5 • Not enough info

  15. A grasshopper leaps in the air at +0.5m/s and returns to the ground. What is the insect’s acceleration (in m/s2)? • 0 • 9.8 • -9.8 • 0.5 • -0.5 • Not enough info

  16. A car speeds up from -10 m/s to -30 m/s. Describe the acceleration. • Positive • Negative • Zero • Unable to be determined

  17. A cheetah slows down from -10 m/s to -5 m/s south. Describe the acceleration. • Positive • Negative • Zero • Unable to be determined

  18. A minivan slows down from 85 mi/hr to 65 mi/hr when the driver spots a police officer tracking her speed. Describe her acceleration. • Positive • Negative • Zero • Unable to be determined

  19. A basketball is released from rest. When the ball hits the ground it is moving at a speed of 8m/s. Describe the acceleration. • Positive • Negative • Zero • Unable to be determined

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