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anonymous

  • one year ago

The kinetic energy of an object depends on which of the following? A. the object’s mass and direction B. the object’s speed and mass C. the object’s work and direction D. the object’s speed and work

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  1. anonymous
    • one year ago
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    @iGreen @JackofallTradez

  2. JackofallTradez
    • one year ago
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    Do you have any ideas?

  3. anonymous
    • one year ago
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    just please help me

  4. JackofallTradez
    • one year ago
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    But I need to know if you have any ideas on the topic. I need to know what I'm working with.

  5. JackofallTradez
    • one year ago
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    It would be B

  6. JackofallTradez
    • one year ago
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    Because kinetic energy relies on the object's velocity (speed) and mass

  7. anonymous
    • one year ago
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    In the following situations, which one does not have kinetic energy? A. a baseball in a catcher’s glove B. a lady walking slowly across the street C. a hockey puck sliding on the ice D. a man running around a track

  8. JackofallTradez
    • one year ago
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    A, because the object isn't moving

  9. anonymous
    • one year ago
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    All of the following objects are moving at the same speed. Which one has the greatest kinetic energy? A. a bicycle B. a motorcycle C. a car D. a semi tractor-trailer truck

  10. JackofallTradez
    • one year ago
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    It would be D, because it has the most mass

  11. anonymous
    • one year ago
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    What is the kinetic energy of a 1.0-kg billiard ball that moves at 5.0 m/s? A. 5.0 J B. 6.5 J C. 10.0 J D. 12.5 J

  12. JackofallTradez
    • one year ago
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    I would believe it is A, because K = Vm

  13. anonymous
    • one year ago
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    A ball is thrown straight up in the air. When will its kinetic energy be the least before it is caught? A. at the start of its flight B. halfway to the top of its flight C. at the end of its flight D. at the top of its flight

  14. anonymous
    • one year ago
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    @JackofallTradez

  15. JackofallTradez
    • one year ago
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    D, because it has reached its peak

  16. anonymous
    • one year ago
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    Which property of potential energy distinguishes it from kinetic energy? A. mass B. position C. force D. work and power

  17. JackofallTradez
    • one year ago
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    B

  18. JackofallTradez
    • one year ago
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    Its position is stationary

  19. anonymous
    • one year ago
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    What kind of energy does a rubber band have when it is stretched? A. elastic potential energy B. gravitational potential energy C. kinetic energy D. chemical energy

  20. JackofallTradez
    • one year ago
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    It would be A. Once it's released, the energy is released as well

  21. anonymous
    • one year ago
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  22. anonymous
    • one year ago
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    @JackofallTradez

  23. JackofallTradez
    • one year ago
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    I would go with D The man uses a boulder as a folcrum.

  24. anonymous
    • one year ago
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    If a simple machine reduces the strength of a force, what must be increased? A. the distance that the force moves B. the work the simple machine performs C. the speed of the input force D. the size of the simple machine

  25. JackofallTradez
    • one year ago
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    I would have to go with B

  26. anonymous
    • one year ago
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    the 1 about fulcrum was b c and d

  27. anonymous
    • one year ago
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    just a few more

  28. JackofallTradez
    • one year ago
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    OK, but it needs to be quick, please

  29. anonymous
    • one year ago
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    and the last one was a

  30. anonymous
    • one year ago
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    Which of the following statements describes a compound machine? A. It has movement in only one direction. B. It can only be acted on by one force. C. It is made up of more than one simple machine. D. It makes work more difficult.

  31. JackofallTradez
    • one year ago
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    I believe the best answer is C

  32. anonymous
    • one year ago
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    hey your back! YaY

  33. JackofallTradez
    • one year ago
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    Yep ^_^

  34. anonymous
    • one year ago
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  35. anonymous
    • one year ago
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    just fyi im not leaving the question my wifi keeps timing out so it looks like im gone

  36. anonymous
    • one year ago
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    but im not

  37. JackofallTradez
    • one year ago
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    KK

  38. anonymous
    • one year ago
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  39. JackofallTradez
    • one year ago
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    It would be B, the two handles are the two levers, and the two blades are the two wedges.

  40. anonymous
    • one year ago
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  41. anonymous
    • one year ago
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    i think its a

  42. JackofallTradez
    • one year ago
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    Well, it takes more force to crack open the larger nut. And they put it farther away from the pivot point than the smaller nut.

  43. anonymous
    • one year ago
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    so c

  44. JackofallTradez
    • one year ago
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    I would have to go with B, because it's comparing cracking the larger nut to cracking the smaller nut. Comparing the change from larger to smaller.

  45. anonymous
    • one year ago
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    but wouldnt you need more fprce to crack the bigger nut

  46. anonymous
    • one year ago
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    @JackofallTradez

  47. JackofallTradez
    • one year ago
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    You do need more force to crack the bigger nut. But the question is asking you to compare the change from cracking the bigger nut to cracking the smaller nut, so it would be B

  48. anonymous
    • one year ago
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    a ramp is a simple machine right

  49. JackofallTradez
    • one year ago
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    Yep

  50. anonymous
    • one year ago
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    what is a compound machine

  51. JackofallTradez
    • one year ago
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    A machine that has two or more simple machines involved.

  52. anonymous
    • one year ago
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  53. JackofallTradez
    • one year ago
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    What do you think?

  54. anonymous
    • one year ago
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    idk my brain is starting to hurt again...

  55. anonymous
    • one year ago
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    one se my doctor has to give me some medicine

  56. anonymous
    • one year ago
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    ok im all good now

  57. anonymous
    • one year ago
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    what do u think it is

  58. JackofallTradez
    • one year ago
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    I think it is B. You have the crank, which rotates the gear, and turns the the drill.

  59. anonymous
    • one year ago
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    you see a screw and the end, 1, and the wheel, which is 2. so must be compound

  60. anonymous
    • one year ago
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    maybe there's more but im bad at identifying those

  61. anonymous
    • one year ago
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    but it is a compound

  62. JackofallTradez
    • one year ago
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    It is a compound machine

  63. anonymous
    • one year ago
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    thx

  64. anonymous
    • one year ago
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    can u help me with more?

  65. anonymous
    • one year ago
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    What type of machine is a rake? A. simple machine B. compound machine

  66. JackofallTradez
    • one year ago
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    I would have to go with A

  67. anonymous
    • one year ago
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    what kind of machine is a rake anyway

  68. JackofallTradez
    • one year ago
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    I'm not sure if there is a specific kind for it. I know it scoops the material into its tongs.

  69. anonymous
    • one year ago
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    i think it would be a lever, the spot where you would hold acts as the fulcrum

  70. JackofallTradez
    • one year ago
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    And you use it to collect material at the focal point and move it

  71. anonymous
    • one year ago
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    so a or b

  72. JackofallTradez
    • one year ago
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    It would be a

  73. anonymous
    • one year ago
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    what do u think @bethesda

  74. anonymous
    • one year ago
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    a simple machine

  75. anonymous
    • one year ago
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  76. JackofallTradez
    • one year ago
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    A seesaw uses a level and a fulcrum to work. So it would be a compound machine

  77. JackofallTradez
    • one year ago
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    lever*

  78. anonymous
    • one year ago
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  79. JackofallTradez
    • one year ago
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    The wire cutters uses two wedges and two levers, like the scissors. So it's a compound machine

  80. anonymous
    • one year ago
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  81. JackofallTradez
    • one year ago
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    Definitely a compound machine. No doubt about it

  82. anonymous
    • one year ago
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  83. JackofallTradez
    • one year ago
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    Screw and lever

  84. anonymous
    • one year ago
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    so compound

  85. JackofallTradez
    • one year ago
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    Well, in this question, you identify two simple machines found in this compound machine

  86. anonymous
    • one year ago
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    oh yeah was just wondering

  87. JackofallTradez
    • one year ago
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    No worries ^_^

  88. anonymous
    • one year ago
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    just a random question... r u good at language arts

  89. anonymous
    • one year ago
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    @JackofallTradez

  90. JackofallTradez
    • one year ago
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    Pretty decent

  91. anonymous
    • one year ago
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    will u be on here tomorrow night

  92. JackofallTradez
    • one year ago
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    Maybe

  93. JackofallTradez
    • one year ago
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    I will be on tomorrow morning and afternoon

  94. anonymous
    • one year ago
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    kk ill come on tomorrow thanks for all your help jack

  95. JackofallTradez
    • one year ago
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    No problem Barb Have a good night ^_^

  96. anonymous
    • one year ago
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    u 2 bye

  97. JackofallTradez
    • one year ago
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    Bye!

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