Waec Further Mathematics Questions
Question 136:
A mass of 75kg is placed on a lift. Find the force exerted by the floor of the lift on the mass when the lift is moving up with constant velocity. \([g = 9.8ms^{-2}]\)
View Answer & ExplanationQuestion 137:
Each of the 90 students in a class speak at least Igbo or Hausa. If 56 students speak Igbo and 50 speak Hausa, find the probability that a student selected at random from the class speaks Igbo only.
View Answer & ExplanationQuestion 138:
If \(x = i - 3j\) and \(y = 6i + j\), calculate the angle between x and y.
View Answer & ExplanationQuestion 139:
The gradient of a curve at the point (-2, 0) is \(3x^{2} - 4x\). Find the equation of the curve.
View Answer & ExplanationQuestion 140:
If \(\alpha\) and \(\beta\) are the roots of \(x^{2} + x - 2 = 0\), find the value of \(\frac{1}{\alpha^{2}} + \frac{1}{\beta^{2}}\).
View Answer & Explanation