In a competition, participants must attempt to throw a ball vertically upwards pastpoint T, marked on a tall vertical pole. Point T is 3,7 m above the ground. Point T may,or may not, be the highest point during the motion of the ball. One participant throws the ball vertically upwards at a velocity of 7,5 … Read more
A block, of mass 8 kg, is placed on a rough horizontal surface. The 8 kg block, which isconnected to a 2 kg block by means of a light inextensible string passing over a lightfrictionless pulley, starts sliding from point A, as shown below. 2.1 State Newton’s Second Law in words. (2) 2.2 Draw a … Read more
1.1 Inertia is the tendency of an object to … A maintain its mass.B continue in a state of non-uniform motion.C remain at rest or in the state of uniform motion.D maintain its velocity when a non-zero net force is acting on it. (2) 1.2 A person stands on a bathroom scale that is fixed … Read more
1.1 Which physical quantity is equal to the rate of change of momentum? A Mass           B Impulse C Net force D Acceleration          (2) 1.2 The gravitational acceleration on the surface of a planet of radius R is g. The gravitational acceleration at a height of 2R above the … Read more
7.1 Selby decided today that he will save RI 5 000 per quarter over the next four years. He will make the first deposit into a savings account in three months’ time and he will make his last deposit at the end of four years from now. 7.1.1 How much will Selby have at the … Read more
5.1 Write down the domain of f. (1) 5.2 Write down the asymptotes of f. (2) 5.3 Sketch the graph of f, clearly showing all intercepts the axes any and asymptotes (3) 5.4 For which values of x will x. f‘ (x) > 0? (2) [8]