Two charged spheres, R and S, are both stationary on a smooth, insulated surfaceinclined at an angle of 25° to the horizontal. Sphere S, of mass 0,01 kg and carrying acharge of –6 x 10-9 C, is connected to a 0,03 m long, light inextensible string attachedto point P at the top of the incline.Sphere … Read more
6.1 State the Doppler effect. (2) 6.2 Use the graph to answer the following questions. 6.2.1 Write down the frequency of the sound emitted by the stationarysource.Give a reason for the answer. (2)6.2.2 In which direction is the car moving relative to the source?Choose from TOWARDS or AWAY.Give a reason for the answer. (2)6.2.3 Calculate … Read more
A demolition ball is used by a crane to break the wall of a building.The demolition ball, of mass 1 250 kg, is lifted by the crane to a point R at a height of5,8 m above its lowest position in 60 s.Ignore air friction. 5.1 Define the term power in words. (2) 5.2 Calculate … Read more
A simple rocket system consists of two parts, A of mass 3m, and B of mass 2m, asshown in the diagram below. B is stacked on top of A. Ignore ALL external forces on the rocket.4.2 Calculate the velocity of B in terms of v immediately after the internalexplosion. (5)The graph below shows the average … Read more
3.1 Name the force acting on the ball while it is in free fall. (1) The velocity-time graph below represents the motion of the ball from the instant it isthrown upwards until it hits the ground. 3.2 Write down the acceleration of the ball at time t = 1,02 s. (2) 3.3 Consider the areas … Read more
An 8-kg block, on a rough horizontal surface, is connected to a 2-kg block by a lightinextensible string passing over a frictionless pulley, as shown below. The 8-kg blockmoves at a constant speed when pulled by a 29,6 N horizontal force to the right.The frictional force acting on the 8-kg block is 10 N. 2.1 … Read more
1.1 A constant net force acts on an object moving in a straight line. Which ONE ofthe following quantities associated with the object will remain constant duringthe motion?A. VelocityB. MomentumC. AccelerationD. Kinetic energy (2) 1.2 The weight of an object on the surface of the Earth is w. What will be theweight of the object … Read more
QUESTION 5: USING LANGUAGE CORRECTLY Read TEXT G, which contains some deliberate errors, and answer the set questions. TEXT G 5.1 Provide the function of the two dashes in line 1. (1) 5.2 Substitute ‘Hopefully’ (line 3) with a main clause that retains the meaning ofthe sentence. (1) 5.3 ‘More important, you’ve managed to survive … Read more
QUESTION 4: UNDERSTANDING OTHER ASPECTS OF THE MEDIA Study TEXT E and TEXT F and answer the set questions. TEXT E: CARTOON QUESTIONS: TEXT E 4.1 Refer to FRAMES 1 and 2. How does the dialogue reflect the two characters’ attitudes toward theircustomers? (2) 4.2 Refer to FRAMES 3 and 4. Comment on the effectiveness … Read more
SECTION C: LANGUAGE STRUCTURES AND CONVENTIONS QUESTION 3: ANALYSING ADVERTISING Study the advertisement (TEXT D) below and answer the set questions. TEXT D The text in small font reads as follows: QUESTIONS: TEXT D 3.1 Account for the use of the phrase, ‘SAVE THE SANDWICH’ in the headline. (2) 3.2 ‘Because many species are being … Read more