Velocity of bullet fired from a gun

[Kev1n]

1. Anyone interested in looking over the question / coments, thanks. An object mass 0.6kg is fired vertically upward in thebarrel of a gun by a vertical force of 50N acting over a period of 0.5 seconds.
Calculate
A. The velocity of the projectile when it leaves the barrel
B. Height reached by object
c. Time taken from the projectile leaving the gun to return to same height



2. a=f/m, V=Vo + AT, V^2=U^2+2AS



3. A. First velocity, A=F/M, 50/0.6 = 83.33m/s^2
Velocity, V=Vo+AT, V=0+83.33 x 0.5 = 41.67ms

B. Height: U=41.67, Vo=0, A=-G = -9.81m/s
0=1736.4-19.62xS
S=1736.4/19.62 = 88.5m

C. S=(T/2)(U+V), 88.5 = T/2 (41.67+0)
T=88.5 x 2 x 2/41.67 = 4.25 seconds
Time to return = 2 x 4.25 = 8.5 seconds

 

[rl.bhat]

Your calculations are correct.

 

[kerimek]

I would like to point out that the calculations provided are correct, but they are based on certain assumptions and do not take into account real-world factors that may affect the velocity and height of the bullet. For example, air resistance, wind, and the weight and shape of the bullet can all impact the trajectory and speed of the projectile. It is important to conduct experiments and gather data in order to accurately determine the velocity of a bullet fired from a gun. Additionally, it is crucial to follow proper safety protocols when handling firearms in order to prevent any accidents or injuries.