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Air is trapped above liquid ethyl alcohol in a rigid container. If the air pressure above the liquid is 1.10 atm, determine the pressure in the bulb inside a bubble 4.0 m below the surface of the ethanol.
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When scared, a nine-banded armadillo will jump straight up in the air. The armadillo launches itself upward from the ground with a speed of v0 = 3.81 m/s. How long will the armadillo remain more than 0.033 m off the grou ...
Question: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the free-fall acceleration. If the falcon is flying at 20 m/s, what is the radius of the turn? The response must be t ...
Question: A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0060 m/s2 less than that at sea level (gsealevel = 9.83 m/s2). Part A: What is the observatory's altitude? Assume Rear ...
Question: Suppose the emf generated by a coil rotating in a magnetic field is zero at t=0 and increases to its first peak at to=0.11 ms. When is the emf first one-fourth of its maximum, in seconds? When is the emf next o ...
Question: A steel cable with mass is lifting a girder. The girder is speeding up. Part A Draw a free-body diagram for the steel cable. Draw the vectors starting at the black dots. The location and orientation of the vect ...
Question: A sump pump is draining a flooded basement at the rate of 0.500 L/s, with an output pressure of 3.00 ✕ 105 N/m2. Neglect frictional losses in both parts of this problem. (a) The water enters a hose with a 3.0 ...
Question: A point charge of magnitude q is at the center of a cube with sides of length L. a) What is the electric flux through each of the six faces of the cube? b) What would be the flux through a face of the cube if i ...
Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 3.90 ÎC. What is the potential difference between the plates? Express your answer with the appropriate units. Part B If th ...
Question: Part A: What magnitude of force must the worker apply to move the crate at constant velocity? Express your answer using two significant figures. Part B: How much work is done on the crate by this force when the ...
Question: Tectonic plates are large segments of the earths crust that move slowly. suppose that one such plates has an average speed of v=2.1 cm/ year. a) What distace d, in meters, does the plate move 1.4 seconds at thi ...
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