Physics q 2

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Author:
tay
ID:
122820
Filename:
Physics q 2
Updated:
2011-12-11 18:50:14
Tags:
physics
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Description:
physics q2
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  1. The Si systme of standard units orignated at the french academy of science. In physics the system of standard Si units used is the cgs system.
    false
  2. two quantities to be added must have the same units
    true
  3. how many micrometers are there in one centimeters?
    10000
  4. The Si unit of mass is the kilogram
    true
  5. if we have a measured valcue of 16 when the true value is 20 our percent error would be
    20%
  6. The number of sig fig in .0020036
    5
  7. is it possible for an object's instantaneous velocity and intantaneous acceleration to be opposite sign at some instant of time
    yes.
  8. without air resistance, an object dopped from a plane flying at constant speed in a straight line will?
    remain vertically under the plane
  9. a ball is thrown downward (not dropped) from the top of a tower. after being released, its downward acceleration will be
    exactly g

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