Question

if E=½ mV², find V when E=120 and m=10​

Answer 1

V = 2√6

hope you find this helpful.

Answer 2

Answer:

120=½×10×(V) ²

120=5×(V) ²

(V) ²=120/5

(V) ²=24

V=√24=√(2×2) ×6

V=2√6