Day: March 12, 2016

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…

Test yourself GR11


Consider the following molecules and answer the questions that follow. 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…

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