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A long stick has a mass of 0.5 kilogram and a radius of gyration of 4.1 meter. A barbell has a mass of 9 kilogram, and a radius of gyration of 0.3 meter. Find which is harder to swing in a circle, the long stick or the barbell?
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What is the (average) acceleration of a vehicle which speeds up from 22 m/s to 88 m/s in 21.2 seconds? please provide work to explain
Atoms bond to atoms through their electrons the following analogy will be used to help us understand how this occurs. Imagine that the atoms of different elements are like kids coming to school. Each kid comes to school ...
Question: A point charge is released from rest in a region containing an electric field. The charge will start to move: (A) in a direction that makes its potential energy increase (B) in a direction that makes its potent ...
Question: A small particle has charge -2.00 uC and mass 1.50Ã-10-4 kg. It moves from point A, where the electric potential is V(A) = 200 V, to point B, where the electric potential V(B) = 920 V is greater than the potent ...
A clock is set against an accurate standard and 30 days later is found to be in error by 12 seconds. What is the percentage of error in its time keeping?
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: A series RLC circuit consists of a 50ohm resistor, a 3.3 mH inductor, and a 480 nF capacitor. It is connected to a 5.0 kHz oscillator with a peak voltage of 5.0 V. A) What is the instantaneous current i when e= ...
Question: The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. A. What is the ideal efficiency of the engine? Use γ=1.40. Express your answer using two significant figures. B. The engine in a ...
Question: A solenoidal coil with 25 turns of wire is wound tightly around another coil with 320 turns. The inner solenoid is 23.0cm long and has a diameter of 2.00cm . At a certain time, the current in the inner solenoid ...
Question: An object is 40 cm in front of a concave mirror with a focal length of 20 cm. Use ray tracing to locate the image. Is the image upright or inverted? The response must be typed, single spaced, must be in times n ...
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