Terraria's Coin Gun is like basically crashing a school bus into your enemies repeatedly

How much energy does Terraria's Coin Gun need to fire?
The Coin Gun is one of the most powerful guns in the game - and more importantly, the projectile it fires, the Platinum Coin, weighs over one ton. Firing it at hundreds of kilometers per hour, how much energy would it pack?
Millions of joules? We'll see.

#terraria

0:00 An introduction
0:20 Calculating (and revising) the mass of the Platinum Coin
1:23 How fast is this thing going? (Calculating velocity)
2:00 How much energy does this have? (a lot!)
2:12 Crashing school buses and a lot of recoil.
3:14 Outro

Music:
The Wind can be Still (Winter) by ConcernedApe
"Engineer's Sanctum" by Heart Plus Up!
   • Terraria Calamity Mod Scrap - "Engine...  

Credits:
School bus crash videos from the IMMI
   / imminet1  

How much energy does Terraria's Coin Gun need to fire?