Question 4
The weight Wkg of metal bar varies jointly as its length L metres and the square of its diameter d metres. If W = 140 when d = $${4\frac{2}3}$$ and L = 54, find d in terms of W and L.
Objective
Question details
- Exam body
- FUTO
- Subject
- Mathematics
- Year
- 2018/2019 - Model 1
- Question no.
- #4
- Type
- Objective
More from this paper
- Q1Evaluate $${\frac{81^{\frac34} - 27^{\frac13}}{3 \times 2^3}}$$
- Q2If U = {x/x is a positive integer less than 10} and P = {x/x is a prime factor…
- Q6If P = $$\begin{pmatrix}1 & 3&2 \\ 4 & 5&-1\\-3&2&0 \end{pmatrix}$$ find the…
- Q7Two lines PQ and ST intersect at 75°. The locus of points lies on the
- Q8Find the equation of the perpendicular at point (4, 3) to the line y + 2x = 5.
- Q9The radius r of a circular disc is increasing at the rate of 0.5cm/sec. At whate…