Q. A projectile of mass 1 kg is launched at an angle of 30° from the horizontal direction at 𝑡 = 0 and takes time 𝑇 before hitting the ground. If its initial speed is 10 ms−1 , the value of the action integral for the entire flight in the units of kg m2s−1 (rounded off to one decimal place) is
[Take 𝑔 = 10 ms−2]
Ans: 33.3
Sol:
