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A diver who is 5.00 m below the surface of water looks up and sees the...
A diver under water looks up toward the surface, where the sky appears to subtend a...
A diver under water looks up toward the surface, where the sky appears to subtend a cone with vertex at the diver’s eye. (a) What is the half-angle of the vertex of the cone? (b) What does the diver see at angles larger than this angle calculated in part (a)? Use nair = 1 and nwater = . 3
An air bubble released by a deep-water diver, 120 m below the surface of a lake,...
An air bubble released by a deep-water diver, 120 m below the surface of a lake, has a volume of 1.65 cm3. The surface of the lake is at sea level, and the density of the lake water can be approximated as that of pure water. As the bubble rises to the surface, the temperature of the water and the number of air molecules in the bubble can each be approximated as constant. Find the volume (in cm) of the...
At a particular time of day, the Sun's elevation angle is 57.5° above the horizon. For a diver who is under water and looking up toward the surface, what is the apparent elevation angle of the Sun?
At a particular time of day, the Sun's elevation angle is 57.5° above the horizon. For a diver who is under water and looking up toward the surface, what is the apparent elevation angle of the Sun?
A catfish is 2.4 m below the surface of a smooth lake. (a) What is the...
A catfish is 2.4 m below the surface of a smooth lake. (a) What is the diameter of the circle on the surface through which the fish can see the world outside the water? (b) If the fish descends, does the diameter of the circle increase, decrease, or remain the same? Assume that the index of refraction of water is 1.333.
A scuba diver is 45 m below the surface of a lake, where the temperature is...
A scuba diver is 45 m below the surface of a lake, where the
temperature is 5°C. He releases an air bubble with a volume of 10
cm3. The bubble rises to the surface, where the
temperature is 25°C. Assume that the air in the bubble is always in
thermal equilibrium with the surrounding water, and assume that
there is no exchange of molecules between the bubble and the
surrounding water. What is the volume of the bubble right before...
A scuba diver is 45 m below the surface of a lake, where the temperature is...
A scuba diver is 45 m below the surface of a lake, where the temperature is 5 degree C. He releases an air bubble with a volume of 18 cm^3. The bubble rises to the surface, where the temperature is 25 degree C. Assume that the air in the bubble is always in thermal equilibrium with the surrounding water, and assume that there is no exchange of molecules between the bubble and the surrounding water. What is the volume of...
A scuba diver is 35 m below the surface of a lake, where the temperature is...
A scuba diver is 35 m below the surface of a lake, where the temperature is 5°C. He releases an air bubble with a volume of 16 cm3. The bubble rises to the surface, where the temperature is 25°C. Assume that the air in the bubble is always in thermal equilibrium with the surrounding water, and assume that there is no exchange of molecules between the bubble and the surrounding water. What is the volume of the bubble right before...
A diver is located 63 m below the surface of the ocean (the density of seawater...
A diver is located 63 m below the surface of the ocean (the density of seawater is 1.025 kg/m3). To raise a treasure chest that she discovered, the diver inflates a plastic, spherical buoy with her compressed air tanks. The radius of the buoy is inflated to 0.41 m. If the treasure has a mass of 215 kg, what is the acceleration of the buoy and the treasure chest when they are tethered together and released? The chest is 22...
A diver is located 63 m below the surface of the ocean (the density of seawater...
A diver is located 63 m below the surface of the ocean (the density of seawater is 1025 kg/m3). To raise a treasure chest that she discovered, the diver inflates a plastic, spherical buoy with her compressed air tanks. The radius of the buoy is inflated to 0.41 m. If the treasure has a mass of 215 kg, what is the acceleration of the buoy and the treasure chest when they are tethered together and released? The chest is 22...
3. (Points-8) A submarine is 30.5 m below the water surface as shown in the figure below. Find th...
3. (Points-8) A submarine is 30.5 m below the water surface as shown in the figure below. Find the minimum force (F) required to open the circular hatch (door) when applied as shown. The tore applied perpendicular to the hatch as shown in the figure. The pressure inside the submarine is eq atmospheric pressure. Take density of water to be 1000 kg/m,-9.8 m/s and Pam - 100 kPa Water Surface atm 30.5 m circle of radius R with centroid at...
An air bubble released by a deep-water diver, 120 m below the surface of a lake, has a volume of 1.65 cm3. The surface of the lake is at sea level, and the density of the lake water can be approximated as that of pure water. As the bubble rises to the surface, the temperature of the water and the number of air molecules in the bubble can each be approximated as constant. Find the volume (in cm) of the...
A scuba diver is 45 m below the surface of a lake, where the
temperature is 5°C. He releases an air bubble with a volume of 10
cm3. The bubble rises to the surface, where the
temperature is 25°C. Assume that the air in the bubble is always in
thermal equilibrium with the surrounding water, and assume that
there is no exchange of molecules between the bubble and the
surrounding water. What is the volume of the bubble right before...
A scuba diver is 45 m below the surface of a lake, where the temperature is 5 degree C. He releases an air bubble with a volume of 18 cm^3. The bubble rises to the surface, where the temperature is 25 degree C. Assume that the air in the bubble is always in thermal equilibrium with the surrounding water, and assume that there is no exchange of molecules between the bubble and the surrounding water. What is the volume of...
A scuba diver is 35 m below the surface of a lake, where the temperature is 5°C. He releases an air bubble with a volume of 16 cm3. The bubble rises to the surface, where the temperature is 25°C. Assume that the air in the bubble is always in thermal equilibrium with the surrounding water, and assume that there is no exchange of molecules between the bubble and the surrounding water. What is the volume of the bubble right before...
A diver is located 63 m below the surface of the ocean (the density of seawater is 1.025 kg/m3). To raise a treasure chest that she discovered, the diver inflates a plastic, spherical buoy with her compressed air tanks. The radius of the buoy is inflated to 0.41 m. If the treasure has a mass of 215 kg, what is the acceleration of the buoy and the treasure chest when they are tethered together and released? The chest is 22...
3. (Points-8) A submarine is 30.5 m below the water surface as shown in the figure below. Find the minimum force (F) required to open the circular hatch (door) when applied as shown. The tore applied perpendicular to the hatch as shown in the figure. The pressure inside the submarine is eq atmospheric pressure. Take density of water to be 1000 kg/m,-9.8 m/s and Pam - 100 kPa Water Surface atm 30.5 m circle of radius R with centroid at...
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