Peir Yong's answer to Shanice Lee's Junior College 1 H2 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Peir Yong
Peir Yong's answer
77 answers (Tutor Details)
1st
Please check (:
Shanice Lee
Shanice Lee
7 years ago
The ans is 9.95 x 10^-14 tho
Peir Yong
Peir Yong
7 years ago
I'm sorry I forgot to square the 20km during the calculation. The answer is 9.95 e -14
Peir Yong
Peir Yong
7 years ago
Do you understand the working?