Physics Exercise #6: Collision in mechanic motion

Enjoy today exercise, collision again. Hope you enjoy it well.

Maths Exercise #6: Inequality in geometry

This exercise is for grade 8, 9, 10 students in high school. Let try to do it now.

Physics Exercise #5:Thermodynamics (From VNPho 30-4-2010 For Grade 10)

This one is the first part in Thermodynamics for high school student, Let enjoy together!

I'm so bad with thermodynamics but i like to search for those exercise ^_^

Maths Exercise #5: System Equation for 2014 test ^_^

Let enjoy up to date maths exercise for 2014 test.  It's one of my favourite exercise in high school.

Let see, how you solve this problem. Show me your solving skill in the comment box below.

Physics Exercise #4: Mechanic Pulley

Today we have pulley exercise to taste out ^_^ Hope it taste good for you all.