Jabu needs R40 000 for university in 2 years time. How much should he pay weekly into an annuity that offers 6% per annum, compounded weekly?

Calculate the work down on an object moved 10 m by a 10 N force at a 45^o angle.

Metal is left behind once a reaction between a magnesium strip and acid is completed. Which of the following statements is true?

Which compound is a member of the same homologous series as C₃H_{6 ?}

Resting on a frictionless surface, a 1000 kg cannon fires a 10 kg cannonball horizontally at a speed of 20 m·s^-1. At what speed does that cannon recoil in the opposite direction?

The term “freefall” means

How many terms of the series 3 + 6 + 12 + ... have to be taken so that the sum is 393 213?