🍹Early to RISA 🧉M to Greentext · 1 month agoAnon misses a hintimagemessage-square18fedilinkarrow-up1438arrow-down117
arrow-up1421arrow-down1imageAnon misses a hint🍹Early to RISA 🧉M to Greentext · 1 month agomessage-square18fedilink
minus-squareLostXOR@fedia.iolinkfedilinkarrow-up54·1 month agoThe bullet weighs 10 grams and has a velocity of 330 m/s. It hits Anon in his 5 kg head and, because it’s a rubber bullet, bounces off elastically. How fast is Anon’s head moving after the collision?
minus-squareLostXOR@fedia.iolinkfedilinkarrow-up34·1 month agoNot quite, remember it’s an elastic collision.
The bullet weighs 10 grams and has a velocity of 330 m/s. It hits Anon in his 5 kg head and, because it’s a rubber bullet, bounces off elastically. How fast is Anon’s head moving after the collision?
0.66 m/s ?
Not quite, remember it’s an elastic collision.
Ah, 1.317 m/s then.
Depends, how stiff is his neck?