A gun fires bullets with a muzzle speed of 49 m/s Calculate Horizontal and vertical displacements of the bullet when angles of projection of the bullets with the horizontal are (1) 20 (1) 30" (ill) 40° (V) 45° (V) 50° (vi) 60° (vii) 70 (ix) 90° 80% and (viii)
Answers
Answered by
0
Answer:
Given : m=40 g =0.04 kg v=1200 m/s F=144 N
Let n be the number of bullets that can be fired per second.
The force exerted by man must balance the change in momentum of the bullets per second.
∴ F=mnv
OR 144=0.04×v×1200 ⟹n=3 bullets per second
Similar questions