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grade 11 lesson 1

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  • What is momentum equation?
    P= m x V
  • A liquid of low density will float on a liquid of higher density if the two liquids do not mix. TRUE or FALSE?
    TRUE
  • what is the equation of centripetal force?
    F=
  • what is barometer?
    an instrument measuring atmospheric pressure
  • what is the unit of power?
    watt
  • The area under a speed–time graph measures the acceleration travelled. TRUE or FALSE?
    FALSE
  • equation of kinetic energy
    1/2 m v2
  • Describe how you could find the centre of gravity of an irregular lamina.
    If we suspend the lamina from different points...
  • What is the equation to calculate centripetal force?
  • How many significant figures are there in a length measurement of a 5.32 cm
    3
  • Equation to calculate weight W is ....
    W=m x g
  • what is the equation of density?
    m/v
  • 1 micrometre in meter?
    1/1000000
  • 1 decimeter in meter?
    0,1 m
  • The gradient of a speed–time graph represents the acceleration of the object. TRUE or FALSE?
    TRUE
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