Question

1. At the shark tank of an aquarium, a square window has sides of 0.9 m. The absolute pressure inside the tank is 1.5 atmospheres. How much force is needed to hold the window in place?

2. At the aquarium, a shark dives underwater to a depth of 6.6 m. What is the gage pressure at this depth?

3. The heating bulb in an Easy-bake oven has an emissivity of
0.5, a surface area of 6 cm^{2}, and radiates 350 W of
power. What is its temperature, in ^{o}C?

Thank you for your help

Answer #1

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