Saturday
February 28, 2015

Homework Help: physics

Posted by KIKI on Wednesday, November 16, 2011 at 7:50pm.

can someone explain how to do this step by step i already have the answer but i need to know how to do it!!

the answer is (a)6.67m/s (b)111km/s^2

The muzzle velocity of 50g shell leaving a 3kg rifle 400m/s(a)What is the recoil velocity of the rifle?(b)If the bullet travel 72cm before leaving the end of the barrel, at what rate what the bullet accelerated?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

two step equation-fraction - I need step by step how to get the answer, I have ...
Physics - Can someone please show me step by step how to normalize e^-5x in the ...
Algebra 1--Step-by-Step - Can someone show me how to solve these step-by-step? ...
physics help please!!! - The tires of a car make 63 revolutions as the car ...
CALCULOUS - A bank account is growing by 4.3 % per year. Find the doubling time...
Chemistry - I tried working this question out with the help already provided, ...
Maths - Alright, so I'm doing questions on exponent laws for my grade 11 math ...
Algebra help - f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this? This is...
chemistry clearly step by step - Al2(s04)3 solution of 1 molal concentration is ...
Algebra - Okay, i'm going to re explain this. (Sorry) Okaay..... The question is...

Members