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Solve the following problem given below:
Problem: For a physical pendulum, what happens to the period as the pivot point gets very close to the center of mass? Justify your answer mathematically.
Please show all work and equations. Defend your answer.
A typical capacitor in an MP3 player has C = 5 ?F. If a charge ±37 ?C is placed on the plates, what is the voltage across the capacitor?
A 5 kg mass is attached to a 1-m long string. If the speed of the mass at the bottom of the swing is 3 m/s, what it the force in the string at this point
A 0.70-kg disk with a rotational inertia given by MR2/2 is free torotate on a fixed horizontal axis suspended from the ceiling. A string is wrapped around thedisk and a 2.0-kg mass hangs from the free end.
The allowed energies of a simple atom are 0.0 eV, 4.0 eV, and 6.0 eV. What wavelengths appear in the atom's absorption spectrum
The rope makes an angle of 70° with respect to the vertical. What is the tangential speed of the ball.
A 25 g bullet fired horizontally hits a 1.35 kg block of wood placed on a horizontal surface.The bullet penetrates into the block and stays in the wood. what was the speed of the bullet
You are climbing up stairs, gaining 10 meters of height per minute. In order to do that, your body has to do some work, using energy, at a given rate. What is the power produced by your body
question the work function of sodium is 2.23 ev. what is the longest wavelength that a photon may have if it is to
Two soccer players, Mia and Alice, are running as Alice passes the ball to Mia. What is the magnitude and direction of the velocity of the ball relative to the ground
The Earth produces an inwardly directed electric field of magnitude 150 V/m near its surface. (a) What is the potential of the Earth's surface relative to V = 0 at r = ∞? (b) If the potential of the Earth is chosen to be zero, what is the potential a..
A 2400 kg satellite is in a circular orbit around a planet. The satellite travels with a constant speed of 6.67X10^3 m/s. What is the acceleration of the satellite
A weight lifter lifts a 420 N set of weights from ground level to a position over his head, a vertical distance of 1.70 m. How much work does the weight lifter do, assuming he moves the weights at constant speed?
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