-3316-4270-84ec-52b44778666f","cardType":"cloze","front":"Density is found by [ ].","back":"Density is found by mass ÷ volume.","points":null},{"id":"b3ea5bd5-5b1b-44d7-aa70-a68b05ea7b5e","cardType":"basic","front":"Which calculation gives pressure from force and area?","back":"Pressure = force ÷ area.","points":1},{"id":"9fb5d1dd-5971-4dfc-bfee-f9efe7043748","cardType":"cloze","front":"To substitute into a formula, replace the words with [ ].","back":"To substitute into a formula, replace the words with the numbers from the question.","points":null},{"id":"339b1bd7-b7ab-4715-9cb6-6ca30ac100c2","cardType":"basic","front":"A runner covers 240 m in 30 s. What is the average speed?","back":"8 m/s.","points":2},{"id":"9fa0b98a-08b9-4ce5-a25e-4f3236776b7d","cardType":"basic","front":"An object has mass 630 g and volume 35 cm³. What is its density?","back":"18 g/cm³.","points":2},{"id":"1496371c-7e41-4e7c-bdb5-18e71b2a07a0","cardType":"basic","front":"A crate exerts 150 N over 6 m². What is the pressure?","back":"25 N/m².","points":2},{"id":"62347614-b60a-4328-b57d-2c413cf01043","cardType":"cloze","front":"For $a=\\frac{b}{c}$, the top quantity is $b=$ [ ].","back":"For $a=\\frac{b}{c}$, the top quantity is $b=$ a × c.","points":null},{"id":"f79c04db-cc36-4207-95f0-a472a11c702a","cardType":"basic","front":"For $a=\\frac{b}{c}$, how do you find the bottom quantity $c$?","back":"$c=\\frac{b}{a}$.","points":1},{"id":"3d22b9ca-34d9-42c0-91d0-76b28804bafb","cardType":"basic","front":"How do you find volume if mass and density are known?","back":"Volume = mass ÷ density.","points":1},{"id":"dcd107e3-5c96-4119-97a7-8078e9a7d7be","cardType":"basic","front":"How do you find area if force and pressure are known?","back":"Area = force ÷ pressure.","points":1},{"id":"762443ca-0ae1-4a63-8f77-e8cffdfe9a17","cardType":"cloze","front":"For speed in mph, time must be in [ ]; for m/s, time must be in [ ].","back":"For speed in mph, time must be in hours; for m/s, time must be in seconds.","points":null},{"id":"69420121-cf17-48b5-bff2-9f406177ca2c","cardType":"basic","front":"How do you convert minutes to hours?","back":"Divide by 60.","points":1},{"id":"c2c20c20-52b8-4b00-8a39-adb36a9d6735","cardType":"basic","front":"What decimal hours is 4 hours 15 minutes?","back":"4.25 hours.","points":1},{"id":"2ca5eb87-8d88-4c22-a2ff-6d18d5ccf0f7","cardType":"basic","front":"What decimal hours is 5 hours 40 minutes?","back":"5.666... hours.","points":1},{"id":"3d3337ed-3721-4d9b-8939-fdadccb724f2","cardType":"basic","front":"A driver travels 81 miles at 36 mph. What is the time?","back":"2.25 hours.","points":2},{"id":"fe945f81-9ed5-4a71-9d77-311c8f63ec8e","cardType":"cloze","front":"For a whole journey, average speed = [ ].","back":"For a whole journey, average speed = total distance ÷ total time.","points":null},{"id":"d2715bd6-da0a-4df9-9a78-3aac3191244f","cardType":"basic","front":"Why is simply averaging two journey speeds usually wrong?","back":"Average speed uses total distance ÷ total time.","points":2},{"id":"8d078c4f-0379-49c1-af30-9381e5b870e8","cardType":"cloze","front":"In liquid mixture problems, do not add [ ] directly.","back":"In liquid mixture problems, do not add densities directly.","poin

Speed and Density Flashcards

Speed and Density Flashcards

Speed and Density Flashcards

Speed and Density Flashcards