An artillery shell is fired at an angle of 31.6 degrees abovethe horizontal ground with an initial speed of 1980 m/s. The acceleration of gravity is 9.8 m/s2. Find the total time of flight of the shell neglecting airresistance Answer in min. Find its horizontal range, neglecting air resistance. Answer in units of km. An artillery shell is fired at an angle of 31.6 degrees abovethe horizontal ground with an initial speed of 1980 m/s. The acceleration of gravity is 9.8 m/s2. Find the total time of flight of the shell neglecting airresistance Answer in min. Find its horizontal range, neglecting air resistance. Answer in units of km. Find the total time of flight of the shell neglecting airresistance Answer in min. Find its horizontal range, neglecting air resistance. Answer in units of km.
Explanation / Answer
a. Total time offlight T = 2* u * sin / g = 2 * 1980 *sin 31.60 /9.8 = 211.73 s b. Range R = u2* sin 2 /g = 19802 * sin 2 *31.60 / 9.8 = 3.57 *105 m R = 357 km