Ayana pulls back on a bow, getting ready to shoot an arrow. What forms the mechanical energy in the drawn bow?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Ineed the answer to question 1 , i’m desperate

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)