if you hit someone while sprinting he will take thesame knockback as if you hit him without sprinting. Behavior is the same regardless you hit a mob or a player.
Steps to reproduce.
1. Open any world
2. Hit a mob while sprinting
3. Hit a mob without sprinting
4. You will notice that knockback is the same in both situations
What is supposed to happen:
When you hit a mob while sprinting it's supposed to take more knockback than if you hit him while walking or standing still.
Thank you for your report!
We're tracking this issue in MCPE-79628, so this ticket is being resolved and linked as a duplicate.
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