ardType":"cloze","front":"Distance is a [ ], while displacement is a [ ].","back":"Distance is a scalar, while displacement is a vector.","points":null},{"id":"43e59669-f728-46a2-9180-4f79caa1c92f","cardType":"basic","front":"An object moves forwards then backwards. For displacement, why should you not just add the path lengths?","back":"Displacement uses net change in position with direction.","points":2},{"id":"d4367998-7c5e-4127-a742-0313b58536b8","cardType":"cloze","front":"Speed is the rate of change of [ ]; velocity is the rate of change of [ ].","back":"Speed is the rate of change of distance; velocity is the rate of change of displacement.","points":null},{"id":"c84b6da1-3ad2-41d3-aedc-ad71c5d8fc7c","cardType":"basic","front":"If east is chosen as positive, what sign should westward velocity have?","back":"Negative.","points":1},{"id":"92edc0dc-14e5-406d-85f9-9d8d270e4143","cardType":"basic","front":"A cyclist travels 80 m east then 30 m west. What is the distance travelled?","back":"110 m.","points":1},{"id":"4838fcc7-f14e-4d09-b31e-9d4455a9acc7","cardType":"basic","front":"A cyclist travels 80 m east then 30 m west. What is the displacement?","back":"50 m east.","points":1},{"id":"809c380e-8e01-4d9c-927c-26f8095e159d","cardType":"basic","front":"The 80 m east, 30 m west journey takes 25 s. What is the average speed?","back":"4.4 m s^-1.","points":2},{"id":"75f1c259-2f9b-4c12-8a63-6f1991d90dae","cardType":"basic","front":"The 80 m east, 30 m west journey takes 25 s. What is the average velocity?","back":"2 m s^-1 east.","points":2},{"id":"2e62ac6f-c0ae-42f8-b17e-18bac84638c7","cardType":"cloze","front":"Velocity has SI unit [ ]; acceleration has SI unit [ ].","back":"Velocity has SI unit m s^-1; acceleration has SI unit m s^-2.","points":null},{"id":"c50d45a4-518a-43cb-930b-fc6274ca908b","cardType":"basic","front":"Why is acceleration measured in m s^-2 rather than m s^-1?","back":"It is change in velocity per second.","points":2},{"id":"9acb45a0-494a-46d3-958b-6a150fb9da29","cardType":"cloze","front":"One newton is equivalent to [ ].","back":"One newton is equivalent to 1 kg m s^-2.","points":null},{"id":"601644a8-38ff-4987-ba97-46c03e6daa23","cardType":"cloze","front":"A distance of 1 km is [ ]; a time of 1 minute is [ ].","back":"A distance of 1 km is 1000 m; a time of 1 minute is 60 seconds.","points":null},{"id":"f6a6ee87-37cd-4fc8-ae38-277e3b899cad","cardType":"cloze","front":"A length of 1 cm is [ ]; a time of 1 hour is [ ].","back":"A length of 1 cm is 0.01 m; a time of 1 hour is 3600 seconds.","points":null},{"id":"57a77949-f6c6-444c-83fa-8581bcb0479f","cardType":"basic","front":"How do you convert a speed from km h^-1 to m s^-1?","back":"Multiply by 5/18.","points":1},{"id":"f49a53bd-d20c-4f78-ad42-22d965971e43","cardType":"basic","front":"A runner covers 1.5 km in 5 minutes. What is the average speed in m s^-1?","back":"5 m s^-1.","points":2},{"id":"00e6818a-417f-4ec9-86e1-30c5660df97d","cardType":"cloze","front":"In constant acceleration, acceleration stays [ ]

Quantities and Units Flashcards

Quantities and Units Flashcards

Quantities and Units Flashcards

Quantities and Units Flashcards