efa-300 ŷ�
ANEFA300䳪ô?
䳪ôҾ質Ļ϶ǰϲģʽӸȽϺ
һŴڵͲˮƽüнEFA=30,ڵԳٶV0...
˼·ģٶȷֽɴֱϡˮƽǰٶȡֱϵٶΪ300sin30=150m/s,ˮƽǰٶΪ300cos...
300սӢۺһƳװ - ٶȾ
1 һƴºŵһһսӢۣصԼ˺ܸߣóɱ2 ԺR...
HAT300˫ԴԶлʹ˵:[1] - ٶȾ
1 ƪΪHAT300˫ԴԶлʹ˵顷ҪܸòƷʹ÷ԼϽ
- ٶȾ
/ 1 ҹʼͭ쾵ӣԼڴսʱڡӵı棬оװͼַԷֳ࣬...
һŴڵͲˮƽüнEFA=30,ڵԳ...
˼·,ٶȷֽɴֱϡˮƽǰٶ.ֱϵٶΪ300sin(30)=150m/s,ˮƽǰٶΪ300cos(30)...