cache.json

{"concept": "speed", "question": "What is the position vector R, given velocity v = 6 m s^-1, duration t = 2 s ?", "question_generated": true, "correct_value": "12.0", "correct_unit": "m", "explanation": "Solution from www.wikidata.org/wiki/Q11465 formula R = t*v with  12.0 m  =  2 s * 6 m s^-1 ."}