{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2025-12-14T01:33:56.000Z","description":"Problems submitted by members of the MATLAB Central community.","is_default":true,"created_by":161519,"badge_id":null,"featured":false,"trending":false,"solution_count_in_trending_period":0,"trending_last_calculated":"2025-12-14T00:00:00.000Z","image_id":null,"published":true,"community_created":false,"status_id":2,"is_default_group_for_player":false,"deleted_by":null,"deleted_at":null,"restored_by":null,"restored_at":null,"description_opc":null,"description_html":null,"published_at":null},"problems":[{"id":61078,"title":"Calculate Drag Force","description":"Write a MATLAB function to compute the drag force on an object moving through air: \r\n​\r\nwhere:\r\nD is drag force (N)\r\nρ is air density (kg/m³)\r\nV is velocity (m/s)\r\nA is frontal area (m²)\r\n​ is drag coefficient (dimensionless)","description_html":"\u003cdiv style = 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margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003ewhere:\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cul style=\"block-size: 103.75px; font-family: Helvetica, Arial, sans-serif; list-style-type: square; margin-block-end: 20px; margin-block-start: 10px; margin-bottom: 20px; margin-top: 10px; perspective-origin: 392px 51.875px; transform-origin: 392px 51.875px; margin-top: 10px; margin-bottom: 20px; \"\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eD \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis drag force (N)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eρ\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis air density (kg/m³)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eV\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis velocity (m/s)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eA\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis frontal area (m²)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 22px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 11px; text-align: left; transform-origin: 364px 11px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"vertical-align:-6px\"\u003e\u003cimg src=\"data:image/png;base64,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\" width=\"21\" height=\"20\" style=\"width: 21px; height: 20px;\"\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e​\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis drag coefficient (dimensionless)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function D = calculateDrag(rho, V, A, CD)\r\n% CalculateDrag computes the drag force on an object\r\n%\r\n% Inputs:\r\n%   rho - air density in kg/m^3\r\n%   V   - velocity in m/s\r\n%   A   - frontal area in m^2\r\n%   CD  - drag coefficient (dimensionless)\r\n%\r\n% Output:\r\n%   D   - drag force in Newtons\r\n\r\n% Your code here\r\n\r\nend\r\n","test_suite":"%% Test 1\r\nD1 = calculateDrag(1.225, 20, 2, 0.8);\r\nassert(abs(D1 - 392) \u003c 1e-1, 'Test 1 failed');\r\n\r\n%% Test 2\r\nD2 = calculateDrag(1.0, 15, 3, 0.5);\r\nassert(abs(D2 - 168.75) \u003c 1e-1, 'Test 2 failed');\r\n\r\n%% Test 3\r\nD3 = calculateDrag(1.225, 30, 1.5, 0.9);\r\nassert(abs(D3 - 744.1875) \u003c 1e-1, 'Test 3 failed');\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":4707073,"edited_by":4707073,"edited_at":"2025-11-18T11:05:43.000Z","deleted_by":null,"deleted_at":null,"solvers_count":21,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2025-11-18T11:05:17.000Z","updated_at":"2026-03-17T07:52:56.000Z","published_at":"2025-11-18T11:05:17.000Z","restored_at":null,"restored_by":null,"spam":null,"simulink":false,"admin_reviewed":false,"description_opc":"{\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eWrite a 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style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eD \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis drag force (N)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eρ\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis air density (kg/m³)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eV\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis velocity (m/s)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 20.4375px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 10.21875px; text-align: left; transform-origin: 364px 10.21875px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eA\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis frontal area (m²)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003cli style=\"block-size: 22px; display: list-item; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-start: 56px; margin-left: 56px; margin-top: 0px; perspective-origin: 364px 11px; text-align: left; transform-origin: 364px 11px; white-space-collapse: preserve; margin-left: 56px; \"\u003e\u003cspan style=\"vertical-align:-6px\"\u003e\u003cimg src=\"data:image/png;base64,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\" width=\"21\" height=\"20\" style=\"width: 21px; height: 20px;\"\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e​\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-inline-start: 0px; margin-left: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eis drag coefficient (dimensionless)\u003c/span\u003e\u003c/span\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function D = calculateDrag(rho, V, A, CD)\r\n% CalculateDrag computes the drag force on an object\r\n%\r\n% Inputs:\r\n%   rho - air density in kg/m^3\r\n%   V   - velocity in m/s\r\n%   A   - frontal area in m^2\r\n%   CD  - drag coefficient (dimensionless)\r\n%\r\n% Output:\r\n%   D   - drag force in Newtons\r\n\r\n% Your code here\r\n\r\nend\r\n","test_suite":"%% Test 1\r\nD1 = calculateDrag(1.225, 20, 2, 0.8);\r\nassert(abs(D1 - 392) \u003c 1e-1, 'Test 1 failed');\r\n\r\n%% Test 2\r\nD2 = calculateDrag(1.0, 15, 3, 0.5);\r\nassert(abs(D2 - 168.75) \u003c 1e-1, 'Test 2 failed');\r\n\r\n%% Test 3\r\nD3 = calculateDrag(1.225, 30, 1.5, 0.9);\r\nassert(abs(D3 - 744.1875) \u003c 1e-1, 'Test 3 failed');\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":4707073,"edited_by":4707073,"edited_at":"2025-11-18T11:05:43.000Z","deleted_by":null,"deleted_at":null,"solvers_count":21,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2025-11-18T11:05:17.000Z","updated_at":"2026-03-17T07:52:56.000Z","published_at":"2025-11-18T11:05:17.000Z","restored_at":null,"restored_by":null,"spam":null,"simulink":false,"admin_reviewed":false,"description_opc":"{\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eWrite a MATLAB function to compute the drag force on an object moving through air: \u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:customXml w:element=\\\"equation\\\"\u003e\u003cw:customXmlPr\u003e\u003cw:attr w:name=\\\"displayStyle\\\" w:val=\\\"false\\\"/\u003e\u003c/w:customXmlPr\u003e\u003cw:r\u003e\u003cw:t\u003eD=0.5\\\\rho V^2AC_D\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:customXml\u003e\u003cw:r\u003e\u003cw:t\u003e​\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003ewhere:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eD \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003eis drag force (N)\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eρ\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003eis air density (kg/m³)\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eV\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e 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