+0  
 
+1
95
0
avatar+33 

Charlotte, a 65kg skin diver, shoots a 2kg spear with a speed of 15m/s at a fish who darts quickly away without getting hit. How fast does Charlotte move backwards when the spear is shot?

 
KingChris  Dec 20, 2017
Sort: 

0+0 Answers


12 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details