Further Mathematics Past Questions and Answers

A particle of mass 2.5 kg is moving at a speed of 12 m/s. If a force of magnitude 10 N acts against it, find how long it takes to come to rest.

Express \(r = (12, 210°)\) in the form \(a i + b j\).

Age(in years)	1 - 5	6 - 10	11 - 15
Frequency	3	5	2

Calculate the standard deviation of the distribution.

A test consists of 12 questions out of which candidates are to answer 10. If the first 6 are compulsory, in how many ways can each candidate select her questions?

In a firing contest, the probabilities that Kojo and Kwame hit the target are \(\frac{2}{5}\) and \(\frac{1}{3}\) respectively. What is the probability that none of them hit the target?