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A man fries a bullet of mass m each with velocity v with gun.if he fire n bullet every second. The reaction force per second on the man ?


Kalaimani 29th Mar, 2019
Answer (1)
Ritika Rani 29th Mar, 2019

Hi

This is Ritika

I franckly say I am not sure this answer is right or wrong because it has been a year ago when I use to practice this type of questions.

But according to me

Force =mass *acceleration

F  =m*dv/dt

And as he fires n bullet so

F=n*m*dv/dt

According to Newton third law every action has equal and opposite reaction.

So reaction force per sec on the man will be mndv/dt .

Please do tell me my answer is right or wrong if wrong what is correct answer.

Thank you


6 Comments
Comments (6)
29th Mar, 2019
Thanks
Reply
29th Mar, 2019
Wrong akka
Reply
29th Mar, 2019
a)(m/v)n   b)mnv  c)mv/n  d)vn/m
Reply
29th Mar, 2019
What is the answer dear .. option b is not correct 
Reply
29th Mar, 2019
Theriyala dear tomorrow  my mam give answer
Reply
29th Mar, 2019
Okay sure please update me 
Reply

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