ENG1014 - Engineering Numerical Analysis - S1_2023 Question 1-3
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ENG1014 - Engineering Numerical Analysis - S1_2023
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In linear regression, the gradient, a1and the y-intercept, a0, of the regression line are found by minimising the sum of squared errors: |
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The process of finding the minimum is an example of... |
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a. linear interpolation b. numerical integration c. curve fitting d. numerical solution of an ODE e. root finding |
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A car of mass 1200 kg drives around a corner, following a circular path, which has a radius of 86 m. As the car enters the corner, it has a speed of 21 m/s, and is increasing its speed at 2 m/s2. Find the radial force being exerted on the car by the road at this point. ○ a. 6605 N 0 b. 6153 N ○ c. 8553 N 0 d. 2400 N |
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A spring-driven oscillator has the following characteristics: · k= 50 nm-1 . dA = 40 kgs-1 · m = 5 kg Which of the following is true? 0 a. It is an over-damped oscillator 0 b. It is not an oscillator, as the release position hasn't been given 0 c. It is an undamped oscillator 0 d. It is a critically damped oscillator 0 e. It is an under-damped oscillator |
2023-07-31