4.1 Refer to FRAMES 1–3.4.1.1 Why does the cartoonist use ellipsis in each frame? (1)4.1.2 Explain the difference in Hagar and Helga’s body language inFRAME 3. (2) 4.2 How does the cartoonist convey that Helga is shouting in FRAME 5?State TWO points. (2) 4.3 Refer to FRAME 6.4.3.1 Explain how Hagar’s words, ‘I’m patient’, convey … Read more
Butane (C4H10) is produced in industry by the THERMAL cracking of long-chainhydrocarbon molecules, as shown in the equation below. X represents an organiccompound that is produced. 4.1 Write down: 4.1.1 ONE condition required for THERMAL cracking to take place (1) 4.1.2 The molecular formula of compound X (1) 4.1.3 The homologous series to which compound … Read more
Four compounds of comparable molecular mass are used to investigate the effect of functional groups on vapour pressure. The results obtained are shown in the table below. 4.1 Define the term functional group of an organic compound. (2) 4.2 Which ONE of the compounds (A, B, C or D) in the table has the: 4.2.1 … Read more
(Start on a new page.) The graph below shows how the momentum of car A changes with time just before and just after a head-on collision with car B. Car A has a mass of 1 500 kg, while the mass of car B is 900 kg.Car B was travelling at a constant velocity of … Read more
A 2 kg block is at rest on a smooth, frictionless, horizontal table. The length of theblock is x. A bullet of mass 0,015 kg, travelling east at 400 m∙s-1, strikes the block and passes straight through it with constant acceleration. Refer to the diagram below. Ignore any loss of mass of the bullet and … Read more
The flow diagram below shows how an alcohol (compound P) can be used to prepare other organic compounds. The letters A to E represent different organic reactions. X, Y and Z are organic compounds. 4.1 Is compound P a PRIMARY, SECONDARY or TERTIARY alcohol? Give a reason for the answer. (2) 4.2 Write down the … Read more
A bullet of mass 20 g is fired from a stationary rifle of mass 3 kg. Assume that thebullet moves horizontally. Immediately after firing, the rifle recoils (moves back) with avelocity of 1,4 m∙s-1. 4.1 Calculate the speed at which the bullet leaves the rifle. (4) The bullet strikes a stationary 5 kg wooden block … Read more
SECTION B: DRAMA In this section, there are questions set on the following dramas: • ROMEO AND JULIET by William Shakespeare• NOTHING BUT THE TRUTH by John Kani Answer the question on the drama that you have studied. QUESTION 4: ROMEO AND JULIET Read the extracts from the play below and answer the questions set … Read more
Use the graphs above to answer the following questions. 4.1.1 Show by calculation that one mile is equivalent to 1 760 yards. (2) 4.1.2 Determine the approximate distance (in miles) from the start of the San Francisco Marathon to where the height above sea level rises steeply for the first time. (2) 4.1.3 Calculate the … Read more
4.1.1 Dineo was classified as a Category I tropical storm with a maximum average wind speed of 95 miles per hour. NOTE: 50 miles = 80,4672 km Convert (rounded off to TWO decimal places) the maximum average wind speed to kilometers per hour. (3) 4.1.2 The distance between two vertical gridlines on the map is approximately … Read more