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Mathematics
UTME / JAMB 2023
Application of Differentiation
Solution
The area A of a circle is increasing at a constant rate of 1.5 cm\(^2s^{-1}\). Find, to 3 significant figures, the rate at which the radius r of the circle is increasing when the area of the circle is 2 cm\(^2\).
A
0.200 cms\(^{-1}\)
B
0.798 cms\(^{-1}\)
C
0.300 cms\(^{-1}\)
D
0.299 cms\(^{-1}\)
medium Difficulty
Study Solution
Mathematics
UTME / JAMB 2022
Application of Differentiation
Solution
Given that S = \(3t^{2}\) + 5t - 10 is displacement of a particle in metres, calculate it initial velocity.
A
10m/s
B
2m/s
C
5m/s
D
6m/s
medium Difficulty
Study Solution