ANEFA300䳪ô?

䳪ôҾ質Ļ϶ǰϲģʽӸȽϺ


һŴڵͲˮƽüнEFA=30,ڵԳٶV0...

˼·ģٶȷֽɴֱϡˮƽǰٶȡֱϵٶΪ300sin30=150m/s,ˮƽǰٶΪ300cos...


300սӢۺһƳװ - ٶȾ

1 һƴºŵһһսӢۣصԼ˺ܸߣó׷ɱ2 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)...