Teabank's answer to Teo's Secondary 3 Physics Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Teabank
Teabank's answer
48 answers (A Helpful Person)
1st
Use formula of WD to guide you
Teo
Teo
2 months ago
Thank you
Teo
Teo
2 months ago
Thank you