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

## 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? ...
- chemistry - 0.50g of mixture of k2c03 and li2c03 requires 30ml of a 0.25N HCL ...
- 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...
- Physics - 1.what is the shortest possible time in which a bacterium could travel...
- 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...

More Related Questions