question5
Question 5
Learners study ENDOTHERMIC and EXOTHERMIC reactions by conducting experiments I and II in which the reactions shown in the table below take place. The learners measured the initial and final temperatures of the reaction mixtures.They also obtained activation energies for the reactions from a data table. The learners represented their findings in a table as … Read more
Question 5
A satellite of mass 1 000 kg is orbiting the earth at a distance of 200 km from the surface of the earth as shown on the diagram below. 5.1 State Newton’s Law of Universal Gravitation in words. (2) 5.2 Calculate the magnitude of the force that the earth exerts on the satellite tokeep it … Read more
Question 5
5.1 The body mass (in kg) for each member of the under 17 rugby team from Fundakahle High School is recorded in the table below Refer to the information and answer the questions that follow. 5.1.1 Write down the mode for the U-17 rugby team (2) 5.1.2 Define the term mean. (2) 5.1.3 Calculate the … Read more
Question 5
5.1 Use the diagram below to prove that the opposite sides of a parallelogram are equal, i.e. AB = CD and AD = BC. Hint: Prove that ∆ ABD = ∆ CDB (4) 5.2 In the diagram below, KLMN is a parallelogram with N̂ = 7x – 30° and L̂ = 5x + 18°. 5.2.1 … Read more