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An astronaut notices that a pendulum which took2.45 {\rm s} for a complete cycle of swing when the rocket waswaiting on the launch pad takes 1.29 {\rm s} for the same cycle of swing during liftoff.
What is the acceleration of the rocket?(Hint: Insidethe rocket, it appears that ghas increased.)
A sinusoidal voltage ?v = (85 V) sin (200t) is applied to a series RLC circuit with L = 40 mH, C = 145 ?F, and R = 30 ?. What is the impedance of the circuit
Determine decisions from your personal experiences that fit under each of the categories of differential analysis presented in the text, including lease
a single conservative force acts on a 4.90-kg particle within a system due to its interaction with the rest of the
a customer slides an empty beer mug down the counter for a refill. the height of the counter is 1.31 m. the mug slides
A charge of -5 micro-coulombs is placed at x = 0 cm, y = 0 cm. Another charge of -5 micro-coulombs is placed at x = +22 cm, y = -50 cm. When measured counter-clockwise from the x axis, what angle is the electric force vector acting on the charge a..
A cell phone transmits at a frequency of 1.28 108 Hz. What is the wavelength of the electromagnetic wave used by this phone
A refrigerator removes heat from the freezing equipment at the rate of 20kJ and ejects 24 kJ into a room per cycle. How much work is required for each cycle
two cylinders are made of the same unknown material. the first has a radius r1 resistance r1 and mass m1. the second
However, the current increases by just 0.11 A when R1 is removed, leaving R2 connected across the battery. Find (a) R1 and (b) R2.
A very long solenoid with a circular cross section and radius r= 8.10 cm with n= 1.50E 4 turns/m has a magnetic energy density uB= 6.40 mJ/m3. What is the total energy stored in the solenoid
A distance away from a uniformly charged spherical object, the magnitude of the electric field is 575V/m and the electric potential is 3.50kV. (a) What is the distance to the center of the object? (b) What is the magnitude of the charge?
a hotel elevator ascends 200 meters with maximum speed of 5 ms. its acceleration and deceleration both have a magnitude
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