35 lines
712 B
C
35 lines
712 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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int main(int argc, char *argv[]) {
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/* intro */
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printf("\nWarning: In order for this calculator to work properly, you must use kg for mass and m/s2 for velocity.\n\n");
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printf("(The order is: m, v)\n\n");
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/* variables */
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double mass, vel, result;
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if (argc != 3) {
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printf("Invalid arguments.\n");
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return -1;
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}
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/* converting arguments to float */
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mass = atof(argv[1]);
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vel = atof(argv[2]);
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/* km to m/s */
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vel = vel * 1000 / 3600;
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/* final calculation (½ m * v² = x quantity of joules) */
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result = (0.5 * mass * pow(vel, 2));
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/* print of results */
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printf("The result is: %6.2fJ", result);
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return 0;
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}
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