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11030 Practice EXAM I

Exam 1 covers the first two ideas of the Seven Ideas course.

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  1. The acceleration of 15 feet/minute squared means:
  2. A. for every minute that goes by, the object moves another 15 feet

    B. for every minute that goes by the object moves with a speed of 15 feet per minute

    C. for every minute that goes by, the object gains 15 feet per minute in its velocity

    D. for every minute squared, the object moves 15 feet

  3. Using the graph at the bottom of this pager what is the object's acceleration at the time of 3 seconds?
  4. A. can't tell from graph

    B. zero (no acceleration)

    C. positive (object is speeding up)

    D. negative (object is slowing down)

  5. Using the same graph, how far does the object move during the 4 seconds?
  6. A. 60 feet

    B. 35 feet

    C. 30 feet

    D. 42 1/2 feet

    E. not enough information given to determine distance moved

  7. A cannon shoots a cannon ball sideways off a cliff. The cannon ball hits the ground 6 seconds later. If a second cannon ball is dropped vertically off the cliff, how long will it take to hit the ground? (neglect air resistance).
  8. A. 6 seconds

    B. more than 6 seconds

    C. less than 6 seconds

  9. To best find the exact area under a curve, a mathematician would use:
  10. A. trigonometry

    B. algebra

    C. differential calculus

    D. integral calculus

  11. An object dropped from the top of a building takes 9 seconds to hit the ground.
    How high is the building? (Neglect air resistance,)
  12. A. 288 feet

    B. 144 feet

    C. 1296 feet

    D. 1024 feet

    E. none of above

  13. The name given to the unit of force equal to pushing on a 1 slug mass and pushing it so it accelerates one foot per second squared is called a:
  14. A. Slug

    B. Newton

    C. Dyne

    D. Pound

  15. The maximum speed reached by a falling object before air resistance prevents it from going faster is:
  16. A. relative velocity

    B. uniform velocity

    C. terminal velocity

    D. none of the above

  17. Which is not a major advantage of the planetarium?
  18. A. show stars as seen from different points on Earth

    B. show effect of Earth's rotation on its axis speeded up hundreds of times

    C. show effect of aberration of starlight

    D. show how planets, sun, and moon seem to move in the sky

  19. If the Earth did not move around the sun, the solar day would be
  20. A. shorter than the sidereal

    B. longer than the sidereal

    C. the same as the sidereal

  21. One result of the Earth's wobbling every 25,9OO years is:
  22. A. we have colder weather

    B. the Earth rotates faster

    C. the year becomes shorter

    D. different stars become our north star

  23. The Earth's gravity tries to pull things to:
  24. A. The surface of the Earth

    B. Center of the Earth

    C. Top of the Earth

    D. Bottom of the Earth

  25. Here in Kent, Polaris is much higher in the sky during the summer months than in the winter months.
  26. A. true

    B. false

  27. If you were to travel to Jupiter where gravity is about five times stronger than on Earth:
  28. A. your mass and your weight would be five times as much as on Earth

    B. only your weight would be five times greater

    C. only your mass would be five times greater

    D. neither your mass or your weight would change

  29. The first day of fall the sun has a declination of zero degrees
  30. A. true

    B. false

  31. A two dimensional universe that is finite in size but completely open would look like:
  32. A. A loop of string

    B. Surface of a sphere

    C. Flat piece of paper

    D. None of the above

  33. The line which runs from north to south in the observer's sky and passes through a point directly overhead is called:
  34. A. the horizon

    B. the zenith

    C. the meridian

    D. the celestial equator

    E. the ecliptic

  35. The unit of distance which was originally based on the size of the Earth and is now defined as how far a beam of light can travel in a fraction of a second is:
  36. A. inch

    B. foot

    C. yard

    D. meter

  37. If Jupiter never existed:
  38. A. The length of the month would be much longer

    B. The length of the week would be shorter

    C. The length of the sidereal day would be much shorter

    D. The month would be 35 days long

  39. The line over Greenwich, England cannot be used as the zero right ascension line because:
  40. A. the Earth rotates causing the line over Greenwich, England to constantly change

    B. the sun shifts its position in the background sky each day

    C. the line over Greenwich, England is not a great circle

  41. The Earth rotates on its axis from:
  42. A. north to south

    B. south to north

    C. east to west

    D. west to east

  43. The Earth is closest to the sun in July,
  44. A. True

    B. False

  45. If one is in a falling elevator, one could save himself by jumping off the floor of the elevator just as the elevator makes impact with the ground,
  46. A. true

    B. false

  47. The apparent backward motion of a planet due to the Earth's ability to pass a planet is called:
  48. A. celestial motion

    B. rotation

    C. retrograde motion

    D. seasonal motion

    E. none of above

  49. Io is a moon traveling around one of the planets, It is famous because:
  50. A. It has an active volcano

    B. It is the largest moon in the solar system

    C. It moves in an opposite direction compared to all other moons

    D. It has an atmosphere similar to Earth's atmosphere

  51. Kepler's second law says:
  52. A. The planets travel around the sun in perfect circles

    B. All planets are the same distance from the sun

    C. The sun is located at the middle of elliptical orbits

    D. The speed of a planet varies depending how close it is to the sun

  53. Kepler formed his three laws of the heliocentric theory based on data provided by:
  54. A. Isaac Newton

    B. Tycho Brahe

    C. Nicolaus Copernicus

    D. Claudius Ptolemy

    E. Galileo Galilei

  55. If a car accelerates 6 feet/second squared for 4 seconds, how fast will it be moving at the end of 4 seconds?
  56. A. 48 feet/second

    B. 2/3 feet/second

    C. 24 feet/second

    D. can't be determined from information given

  57. The force dealing with charged particles is:
  58. A. gravity

    B. weak interacting force

    C. strong interacting force

    D. electromagnetic force

  59. If a moving object does not have any force acting on it, not even friction, the object will:
  60. A. Stop moving

    B. Move in a circle

    C. Move in a straight line with a constant speed

    D. Move with varying speeds

  61. In the demonstration where the heavy car and the light car were simultaneously allowed to slide down the air track:
  62. A. the light car caught up with the heavy car because it was easier to accelerate

    B. the heavy car accelerated faster than the light car

    C. they both accelerated at the same rate

  63. Which of the following is not a unit of force?
  64. A. pound

    B. dyne

    C. newton

    D. slug

    E. all of the above are units of force

  65. A heavy and a light object are dropped on Earth. Neglecting the effect of the air, they both hit the ground at the same time. This is because:
  66. A. gravity pulls with the same force on all objects

    B. gravity pulls harder on the light object

    C. gravity pulls harder on the heavy object

    D. none of above.

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