Question

A bullet In a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.2*10^5m/s^2 for 0.00081s. What is the muzzle final velocity? Give answer in 2 decimal places

Answer 1

$$v=at\\v=(6.2\cdot10^5)(0.00081)=502.2\frac{m}{s}$$