Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
See 4 Answers
Think it’s 4
Should be 2. Not A because mass of air in balloon remains constant. Not D because balloon shrinks.
Why not 1? Cos when the volume of air increases in water, shouldn't the balloon attached to the weight float up? That way we could see if the mass increases.
4
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hi, I provide 1 to 1 tuition. $50/1.5h. I can cover English, Maths and Science. You may contact me via WhatsApp at 9033 8810. I am an ex-school teacher :)
Date Posted:
3 years ago