How many bullets can he fire per second at the most?, Physics

Assignment Help:

A machine gun fires a bullet of mass 40 g with a velocity 1200 m/s  The man holding it, can exert .  a maximum force of 144 N on the gun. How many bullets can he fire per second at the most?
 
Solution)  According to newtons 2nd law..... F=m(v-u)/t

144=0.04*n*1200/1           (per second...so t=1s)

n=3 bullets / sec


Related Discussions:- How many bullets can he fire per second at the most?

What is the average acceleration of the door, A 15.2-kg police battering ra...

A 15.2-kg police battering ram exerts an average force of 125 N on a 10.0-kg door. a. What is the average acceleration of the door? b. What is the average acceleration of th

Chandrasekhar limit, Chandrasekhar limit (S. Chandrasekhar; 1930) This...

Chandrasekhar limit (S. Chandrasekhar; 1930) This is a limit that mandates that no white dwarf (a collapsed, degenerate star) may be more massive than approximates 1.4 masses

Bernouli Theorem, what is Bernouli Theorem defined and proof now?

what is Bernouli Theorem defined and proof now?

Inkjet printer, definition, Working principal, applications ??

definition, Working principal, applications ??

Motion of projectile, A bomber plane moves horizontally with a speed of 500...

A bomber plane moves horizontally with a speed of 500 m/s and a bomb released from it, strikes the ground in 10 sec. angle at which it strikes the ground will be (g=10m/s) 1. tan

Explain current-carrying wire, Sketch a graph showing the relationship amon...

Sketch a graph showing the relationship among the magnetic field around a straight, current-carrying wire, and the distance from the wire.   This is a graph of y = 1/x.

Determine the correction curves, A thermal imager is used to measure the te...

A thermal imager is used to measure the temperature of a target surface (ε = 1) in the test section of a wind tunnel. The thermal imager must view the target though a window. The t

Determine the minimum thickness of the quarter wave plate, A plane pol...

A plane polarized monochromatic light of wave length 5893Å is incident perpendicularly on a quarter wave plate to produce elliptically polarized light. If the refrac

Reasoning question from motion in 1 and 2 dimensions, make reasoning questi...

make reasoning questions from motion in 1 and 2 dimensions

3/12/2013 2:47:18 AM

He force exerted by machine gun on man''''s hand in firing a bullet = change in momentum per second on a bullet or rate of change of momentum =(40/1000*)1200= 48 N .
The force exerted by man on machine gun = 144 N
Therefore, number of bullets fired =  3

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd