Waec Further Mathematics 2016 Past Questions and Answers

Question 1:

• WAEC 2016

A ball falls from a height of 18m above the ground. Find the speed with which the ball hits the ground. $[g=10m{s}^{-2}]$

A. 9$m{s}^{-1}$
B. 9.49$m{s}^{-1}$
C. 13.42$m{s}^{-1}$
D. 18.97$m{s}^{-1}$

Question 2:

• WAEC 2016

A man of mass 80kg stands in a lift. If the lift moves upwards with acceleration 0.5$m{s}^{-2}$, calculate the reaction from the floor of the lift on the man. $[g=10m{s}^{-2}]$

A. 760N
B. 800N
C. 805N
D. 840N

Question 3:

• WAEC 2016

A force 10N acts in the direction 060° and another force 6N acts in the direction 330°. Find the y component of their resultant force.

A. $(3+3\sqrt{3})N$
B. $(-3+5\sqrt{3})N$
C. $(5+3\sqrt{3})N$
D. $(5+5\sqrt{3})N$

Question 4:

• WAEC 2016

A body of mass 10kg moving with a velocity of 5$m{s}^{-1}$ collides with another body of mass 15kg moving in the same direction as the first with a velocity of 2$m{s}^{-1}$. After collision, the two bodies move together with a common velocity v$m{s}^{-1}$.

A. 3.2
B. 5.3
C. 7.0
D. 8.0

Question 5:

• WAEC 2016

Find the unit vector in the direction of $-2i+5j$.

A. $\frac{1}{\sqrt{29}}(2i+5j)$
B. $\frac{1}{\sqrt{29}}(-2i+5j)$
C. $\frac{1}{29}(2i-5j)$
D. $\frac{1}{29}(-2i-5j)$