NPC/K3M/OMK past year questions
The following question is taken from the NPC 2008.
[Note: This thread is intended for anyone who wants to post past year NPC/K3M/OMK questions to help those who need practice preblems.]
The volume of a 25g wooden block is V cm^3 . The wooden block floats just below the water surface when a 5g mass is attached to the bottom as shown in the diagram below.
What is the volume of the wooden block, V?
A 20 cm^3 B 22 cm^3 C 25 cm^3 D 28cm3 E 30cm^3