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Q.A conical pendulum consists of a bob of mass m in motion in a circular path in a horizontal plane. Recall the demo in class with the bowling ball hung from the ceiling that acted as a pendulum. During the motion,the supporting wire of length l maintains a constant angle θ with the vertical. (a) Find the magnitude of the angular momentum of the bob about the circle's center. (b) Find the angular momentum about the pivot point.
Q. A scuba diver at a depth of 42.0 m below the surface of the sea off the shores of Panama City, where the temperature is 7.0°C, releases an air bubble with volume 18.0 cm3. The bubble rises to the surface where the temperature is 15.0°C. What is the volume of the bubble immediately before it breaks the surface? The specific gravity for seawater is 1.025.
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
The air-track carts in the figure are sliding to the right at 1.0 m/s. The spring between them has a spring constant of 120 N/m and is compressed 4.5 cm. Compute the speed of the air track carts held by a string together.
Three capacitors are arranged. C1 has a capacitance of 5.0 pF, C2 has the capacitance of 10 pF, and C3 has the capacitance of 15 pF. Find the voltage drop across the entire arrangement if the voltage drop across C2 is 311 V.
The atomic mass of copper is 64 g/mole, and the density of copper is 8.9 g/cm3.
What is a quantum well: give an example of structure, growth method to make quantum wells and quantum states i.e. outline quantization using diagrams
A horizontal uniform bar of mass 2.7 and length 3.1 is hung horizontally on two vertical strings. String 1 is attached to the end of bar, and string 2 is attached a distance 0.7 from other end. A monkey of mass 1.6 walks from one end of the bar to th..
Estimate the position of C.G or fulcrum & the masses of persons on a 16 feett sea saw, under balanced condition.
An electric force of 4.0 N exists between two objects separated from each other by a distance of r. If the distance is decreased to 0.50 r, compute the magnitude of the force between the two objects.
How long does the total trip last
A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving.
A Michelson interferometer uses light from glowing hydrogen at 486.1 nm. As you move one mirror, 530 bright fringes pass a fixed point in the viewer. How far did the mirror move.
What is diameter of the circle
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