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  • Gr12 test yourself

    Ball A is projected vertically upwards at a velocity of 16 m∙s-1 from the ground. Ignore the effects of air resistance. Use the ground as zero reference. 1.Calculate the time taken by ball A to return to the ground.(2) 2.Sketch a velocity-time graph for ball A.(2) Show the following on the graph: (a) Initial velocity…

  • Test yourself GR11

    Consider the following molecules and answer the questions that follow. A.NH3 B.CO2 C.C2H2 D.H20 E.BH3 Which molecule: 1.1.1 Contains a triple bond? [1] 1.2 Is trigonal planar? [1] 1.3 Is angular in shape and contains a centre atom with two lone pairs? [1] 2.Which TWO molecules can form a dative covalent bond with a hydrogen…

  • Frames of reference

      Physical Sciences Break 1.0 (Playboard) | Physical Sciences Break 1.0 (Play Store) Discover Theme

  • Tension Forces

  • Work,Energy and Power

    Source: Work,Energy and Power