PHY-102: Fluid and Thermal Physics Exercises

PHY-102: Fluid and Thermal Physics Exercises
Complete the following exercises.

1. Rank the following in terms of increasing density:
A. A100 g object with a volume of 25 cubic centimeters
B. A 200 g object with a volumeYour text cubic
of 100 here centimeters
1
C. A 100 g object with a volume of 100 cubic centimeters
D. A 400 g object with a volume of 50 cubic centimeters

2. Rank the following in terms of increasing pressure:
A. A 10 kg object distributed on a square surface with dimensions 10 cm by 10 cm
B. A 20 kg object distributed on a square surface with dimensions 10 cm by 10 cm
C. A 30 kg object distributed on a square surface with dimensions 20 cm by 20 cm
D. A 40 kg object distributed on a square surface with dimensions 30 cm by 30 cm

3. Consider four blocks with identical volumes placed in water as shown below.




Which block has the smallest buoyant force on the water and why?

4. Consider four blocks with identical volumes placed in water as shown below. Rank the
blocks in terms of increasing density:




5. Consider a tall container filled with water. There are three holes of equal size in the side
of the container as shown on the diagram below. The red arrows indicate the velocity of
the water as it flows out of the holes.




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