Answer:
KE=1.58J
Step-by-step explanation:
In this problem we are required to solve for the total energy
"The kinetic energy is the energy possessed by a body by virtue of motion"
KE=1/2mv²
Given
Mass m=7.73g
Velocity v=409m/s
In kg= 0.00773kg
KE=1/2*0.00773*409
KE=3.16157/2
KE=1.58J