question6
Question 6
The graphs defined as g(x) = ax2 + q and f(x) = kx – 4 both pass through (-2 ; 0) on the x-axis. The y-intercept of g is (0 ; -5). 6.1 Write down the: 6.1.1 Equation of the asymptote of f (1) 6.1.2 Value of q (1) 6.1.3 Coordinates of the other x-intercept … Read more
Question 6
6.1 Methane gas is one of the hydrocarbons that is used as a source of fuels worldwide. When methane reacts with oxygen, water and carbon dioxide are formed. Atoms of water molecules in the above reaction are bonded by a covalent bond. 6.1.1 Define the term covalent bond. (2) 6.1.2 Write down the balanced chemical … Read more
Question 6
6.1 The figure below shows transverse wave motion. The period of the wave is 0,2 s. Calculate the: 6.1.1 Frequency of the wave. (3) 6.1.2 Speed of the wave if distance D equals to 3 metres. (4) Write down: 6.1.3 TWO pairs of points which are in phase. (2) 6.1.4 The amplitude of the wave … Read more