Question

Take a glass tumbler. Fill its one third with
level of water. Now weigh this on a balance.
Take some marbles and put them into the
water of glass tumbler one by one. After some
time you will notice that water level crosses
the mark and rises. This is because the marbles
occupy space. Again weigh the glass with the
You will find that the second mass is
greater than the first one. This proves that
Activity 1
water. Put a mark on the glass to measure the
marbles.
marbles have mass.
WATER
LEVEL
RISES
WATER
MARBLES
This proves that matter has mass and​

Answer 1

Answer:

• Polar Coordinate : $\sf{x=R\cos\theta}$
• Polar Coordinate : $\sf{y=R\sin\theta}$
• Where $\sf{R}$ is the radius of the circle, and $\sf{\theta}$ is in radians

Explanation: