BÀI TOÁN ĐẠN NỔ CÓ LỜI GIẢI CHI TIẾT !!

A. 3400m/s; α = 20⁰       

B. 2400m/s; α = 30⁰                

C. 1400m/s; α = 10⁰               

D. 5400m/s; α = 20⁰

A.$v_1=20\sqrt{3}m/s;v_2=121,4m/s;\alpha =32,{72}^0$                  

B.$v_1=50\sqrt{3}m/s;v_2=101,4m/s;\alpha =34,{72}^0$  

C. $v_1=10\sqrt{3}m/s;v_2=102,4m/s;\alpha =54,{72}^0$          

D.$v_1=30\sqrt{3}m/s;v_2=150,4m/s;\alpha =64,{72}^0$

A.$500\sqrt{2}m/s;{45}^0$    

B. $200\sqrt{2}m/s;{35}^0$              

C. $300\sqrt{2}m/s;{25}^0$              

D.$400\sqrt{2}m/s;{15}^0$

A. 55,67m/s; 40⁰            

B. 66,67m/s; 60⁰            

C. 26,67m/s; 30⁰            

D. 36,67m/s; 50⁰

A. 10m                          

B. 15m                                    

C. 20m                           

D. 5m