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Chapter 5 Physics 1

Chapter 5 Physics 1. Projectile Motion Go through these flashcards at least once a day to get an “A”!. For a vector, the arrow represents the ________ and _______ of the quantity. magnitude and direction. True or False: Velocity is a scalar quantity. False, it’s a vector quantity.

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Chapter 5 Physics 1

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  1. Chapter 5 Physics 1 Projectile Motion Go through these flashcards at least once a day to get an “A”!

  2. For a vector, the arrow represents the ________ and _______ of the quantity.

  3. magnitude and direction

  4. True or False: Velocity is a scalar quantity

  5. False, it’s a vector quantity

  6. A scalar quantity includes only ___________.

  7. magnitude

  8. Example of a vector quantity

  9. Force, acceleration, velocity

  10. Example of a scalar quantity

  11. Time, mass, volume, speed

  12. An airplane flies in the same direction as the wind. The velocity of the airplane is the sum of the airplane’s velocity relative to the air and the wind’s velocity relative to the ground. True or False?

  13. True

  14. The result of adding two vectors is called the ___________.

  15. The resultant

  16. The resultant of a 3 unit and 4 unit vector that are perpendicular is __________.

  17. 5 units

  18. Any vector can be resolved, or broken, into an equivalent set of two______________vectors at right angles to each other.

  19. Horizontal and vertical

  20. True or False? The two perpendicular components of a vector are independent of one another.

  21. True

  22. The _____ component of velocity in projectile motion always changes with time.

  23. vertical

  24. The relationship between the horizontal and vertical components of velocity is _____.

  25. Independent. Don’t affect one another.

  26. Ignoring air resistance, the horizontal velocity of a projectile is ____________.

  27. constant

  28. The vertical motion of a projectile is the same as that of a _____.

  29. Freely falling object

  30. The path that a ball follows when it rolls off a horizontal desk is _____.

  31. curved

  32. The path of a projectile with constant horizontal velocity and a downward acceleration due to gravity is ____.

  33. A parabola

  34. The path of a projectile is called its _____.

  35. trajectory

  36. The curved path of a projectile is caused by _______.

  37. Gravity and (constant horizontal velocity and increasing vertical velocity)

  38. The equation for the distance a projectile falls below an imaginary straight line is _____.

  39. D=1/2gt2

  40. The vertical component of a projectile’s velocity at the top of its path is _______.

  41. zero

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