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Physics Review

  •  English    15     Public
    Physics basics.
  •   Study   Slideshow
  • Which is the sum of these values, to the appropriate number of significant digits? 17.358 + 3.502 + 20.18
    41.04
  •  15
  • How many significant digits are in the value 530,405,000?
    6
  •  15
  • Write the product of [(2 × 10^4 cm)(4 × 10^–12 cm)] in scientific notation.
    8 × 10^–8 cm^2
  •  20
  • 1 millimeter (1 mm) equals:
    10^–3 m
  •  15
  • Write 5.685 × 10^-6 in standard notation.
    0.000005685
  •  20
  • Rank the following prefixes are from smallest to largest: centi-, milli-, deci-, and kilo-.
    milli-, centi-, deci-, kilo-
  •  15
  • Solve: (3.3 x 10^-5 m) ➗ (6.55 x 10^-6 s) Your answer must be written with the correct number of significant figures.
    5.0 m/s
  •  25
  • Write 0.00048 in scientific notation.
    4.8 x 10^-4
  •  15
  • Calculate the slope for the following set of (x, y) coordinates: (-5, 0) (-4, 4)
    4
  •  25
  • The slope of a position-time graph of an object gives the ___________ of the object.
    velocity
  •  20
  • Convert 1.3 mm to meters.
    0.0013 m or 1.3 x 10^-3 m
  •  20
  • True or False: Speed is a scalar quantity.
    TRUE
  •  5
  • What does the magnitude of a vector represent?
    Its size.
  •  5
  • Which physics term is used to describe the final position minus the initial position?
    DISPLACEMENT
  •  10
  • John jogs north from his house, for exactly 5.0 min at an average speed of 8.0 km/h. What distance did John jogged during this time interval? Answer must have the correct number of significant figures.
    6.7 x 10^-1 km
  •  25