Page 1 : What is displacement vector?, '87, 29. What is a projectile?, 30. Give an example for a projectile., 31. Define projectile velocity?, 32. Define angle of projection of a projectile., 33. Draw the graphical representation for a projectile motion, 34. Write the horizontal components of velocity of projectile., 35. Write the vertical component of velocity of projectile., 36. Which component of velocity of a projectile is constant?, 37. Which component of velocity of a projectile is zero at maximum height ?, 38. Which component of acceleration of a projectile is zero?, 39. What is the nature of path ( trajectory ) of projectile?, 40. Write the expression for the path ( trajectory ) of the projectile and explain the, terms., 41. Define time of flight of a projectile., 42. Give the expression for the time of flight of a projectile and explain the, symbols., 43. How does the time of flight depend upon velocity of projectile?, 44. What is the maximum height of a projectile ?, 45. Give the expression for the maximum height of a projectile and explain the, symbols., 46. How does the maximum height depend upon velocity of projectile?, 47. If velocity of projectile is doubled what happens to the maximum height of, projectile?, 48. Define range of a projectile., 49. Give the expression for the range of a projectile and explain the symbols., 50. How does the range of projectile depend upon velocity?, 51. For what angle of projection the range of projectile is maximum?, 52. Three athletes A, B and C participating in a long jump event, jump by making, angles 30°, 45° and 60° with the ground with equal velocities. Who will be, the winner?