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An oak barrel with a lid of area 0.20 m2 is filled with water.A long, thin tube of cross-sectional area 5.0 X 10-5 m2 is insertedinto a hole at the center of the lid, and water is poured into thetube. When the water reaches 12 m high, the barrel bursts.
a. What was the weight of the water in the tube?
b. What was the pressure of the water on the lid of the barrel?
c. What was the net force on the lid due to the waterpressure?
After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 1.69 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proce..
Given that the carbon atom has a mass of 12 amu, how many carbon atoms are there in a diamond with a mass of 8 g
q1. a woman is riding a boat at the speed of v when she notices a seawall straight ahead. the farthest she can lean the
What is the magnitude of the electrostatic force the molecule exerts on it?
A person drops a cylindrical steel bar (Y = 1.70 × 1011 Pa) from a height of 4.70 m, what is the maximum compression of the bar
A typical nuclear reactor generates 1000 MW(1000MJ/s) ofelectrical energy. In doing so, it produces 2000 MW of"waste heat" that must be removed from the reactor to keep it frommelting down. Many reactors are sited next to large bodies of waterso t..
The system of masses in Figure 3 are connected by thin, light rods (that do not contribute to the angular momentum or rotational kinetic energy). Find the rotational kinetic energy of the system
A tennis ball is struck such that it leaves the rackethorizontally with a speed of 28.0 m/s. What is the height of the tennis ball when it leaves the racket
A student sees a newspaper ad for an apartment that has 1630 square feet (ft2) of floor space. How many square meters of area are there
The intensity of solar radiation at the earth's orbit is about 1360 W/m2. Using 1.5 × 1011 m for the distance from the earth to the sun, calculate the total power radiated by the sun
A 35-turn circular coil of wire has a diameter of 0.57 m. find the strength of the average emf generated in the coil
Helium-Neon laser: "Lambda"= 632.8nm. We can observe the first order maximum at "theta"= 25 degrees. What is the second order maximum angle
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