Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | Physics
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Jmsetyawan
Jmsetyawan

secondary 4 chevron_right Physics chevron_right Singapore

I got a different answer then the one stated here, can someone help? Thanks.

Date Posted: 1 year ago
Views: 1370

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Boy Mow Chau
Boy Mow Chau's answer
316 answers (Tutor Details)
1st
answer may vary slightly depending on the value of g used in the calculation.

if assume g=10, then P = 1686.85
if assume g=9.8, then P = 1653.11
if assume g=9.81, then P = 1654.80

to get P=1654.86, most likely have used g=9.81 but made a printing mistake in the last digit.
Jmsetyawan
Jmsetyawan
1 year ago
Thanks, it turns out my cher was lazy and rounded off the cos(30) to 3dp that's why xd