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An electrically neutral model airplane is flying in a horizontal circle on a 2.5 meter guideline, which is nearly parallel to the ground. The line breaks when the kinetic energy of the plane is 50 Joule. Reconsider the similar situation, except that now there is a point charge of +q on the plane and a point charge of -q at the other end of the guideline. In this case, the line breaks when the kinetic energy of the plane is 52.6 Joule. Evaluate the magnitude of the charges.
q=_____________C
Two hockey pucks of equal mass, one red and one blue, are involvedin an elastic collision. Determine the final speed of each puck
Two long parallel wires carry currents of 2.71 A and 5.93 A. Find the separation distance of the wires
You rub an inflated balloon on the carpet and it acquires a potential that is 1560 V lower than its potential before it became charged. what is the net charge on the balloon
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0, What is her average speed on the return trip
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When responding to sound, the human eardrum vibates about its equilibrium position. Supposed an eardrum is vibrating with an amplitude of the 6.3*10^7 m and a maximum speed of 2.0*10^-3 m/s.
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to ensure a tight fit cylindrical metal elements are sometimes made the same size or even slightly larger than the
A 0.88 kg mass attached to a vertical spring of force constant 196 N/m oscillates with a maximum speed of 0.40 m/s. Find the following quantities related to the motion of the mass.
Two circular plates of radius 5.22 cm possess a charge separation of 8.252 ?C. find the electric field between the two plates
A 23 m long copper wire,2.00 mm in diameter including insulation, is tightly wrapped in a single layer with adjacent coils touching, to form a solenoid of diameter 2.5 cm, What is the length of the solenoid
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