Blog Detail
High School Physics Lab
http://hsphysicslab.blogspot.com/
Physics concepts, articles and problems for high school students.
Recent Posts
Q&A: Finding Volume of a Floating Object
The following question was asked in the comments section of the article Archimedes' Principle Explained. Q: Can you just explain how to measure the volume of an irregularly shaped object which floats in water? Can we use Archimedes' principle? How? ...
Problem: Materials #4
A cube of ice is floating in a salt solution of density 1.25 times the density of pure water in a beaker. When the ice melts, the level of the solution in the vessel A. rises B. falls C. remains unchanged D. falls at first and then rises to the same ...
Problem: Materials #3
Within a certain type of star called a neutron star, the material at the centre has a mass density of 1.0 × 1018 kg m-3. If a small sphere of this material of radius 1.0 × 10-5 m were somehow transported to the surface of the earth, what would b...
Problem: Kinematics #4
A train covers half the distance of its journey with a speed 20 m s-1 and the other half with a speed of 40 m s-1. The average speed of the train during the whole journey is A. 25 m s-1 B. 27 m s-1 C. 30 m s-1 D. 32 m s-1 E. 35 m s-1 Solution Show ...
