Prof. RC de Guzman ENGG 010 Engineering Computer Programming Hofstra Department

Question

Prof. RC de Guzman ENGG 010 Engineering Computer Programming Hofstra Department erIngineering What is the result of this assignment statement? Mat Is 4 3 2 1U a 5 x 1 vector d scalar 8. Simplify the expression: 5-(1:3), 2-2 2 a) [4 3 2 1 0) b) [3 1 -1 -3 -5 -7 -9] c) Empty matrix d) [4 50 e) [0 -3 -8] Given the script lines of codes: clear; clcs Given dist0 500; initial distance (in m) distN 100 distance after N hours (in km) Computations disto dist0/1000: 9% (in km) distDelta distN-disto; 96 change in distance (in km) o S S Which of these is true when the script is saved then run? a) distDelta -400 km. b) distDelta error c) distDelta 400 km d) dis Delta 100000-500 m e distDelta 99.5 km 10. The correct code in the Command Window, given gsun e 274 (in the Workspace), to display: The acceleration due to gravity on the Sun is 274 m/s 2. a display: The acceleration due to gravity on the Sun is 274 m/s 2. b) disp("The acceleration due to gravity on the Sun is ,num 2str(gSun), m/s 2.) e c displ(The acceleration due to gravity on the Sun is num2str(gsun),' m/s 2. d acceleration due to gravity on the Sun is ,num2str(gSun),' m/s 2.D; e) disp(IThe acceleration due to gravity on the Sun is gSun m/s 2. D; IL Fin in the Blank (10 questions, 3 points each, 30 points subtotal): write the best possible 1. Calculate by hand, show your solution, and simplity the expression: (2 1/3-2) 4 3/1-(5) -3 (7 31'+4

Explanation / Answer

Multiple Questions : Answering 1st one .

7. b) a 1 X 5 vector.

Mat = [5 4 3 2 1]';

Mat =

5

4

3

2

1

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