🍹Early to RISA 🧉@sh.itjust.worksM to Greentext@sh.itjust.works · 15 hours agoAnon misses a hintsh.itjust.worksexternal-linkmessage-square9fedilinkarrow-up1291arrow-down110
arrow-up1281arrow-down1external-linkAnon misses a hintsh.itjust.works🍹Early to RISA 🧉@sh.itjust.worksM to Greentext@sh.itjust.works · 15 hours agomessage-square9fedilink
minus-squareLostXOR@fedia.iolinkfedilinkarrow-up40·14 hours 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-up25·13 hours 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.