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In the figure, a physical pendulum consists of a uniform solid disk (of radius R = 56.6 cm) supported in a vertical plane by a pivot located a distance d = 24.0 cm from the center of the disk. The disk is displaced by a small angle and released. What is the period of the resulting simple harmonic motion?
A pulsar is an extremely dense neutron star which is a highly magnetized. As it rotates it emits a beam of electromagnetic radiation which can sweep across the earth at very regular intervals. by what amount would the pulsar radius have had to shri..
Bruce stands on a bank beside a pond, grasps the end of a 10.00-m long rope attached to a nearby tree and swings out to drop into the water. If the rope starts at an angle of 36° with the vertical, what is Bruce's speed at the bottom of swing.
A ball is thrown downward of a 50 meter high building with a speed of 10 m/s. In what height do the balls meet
Two particles with equal mass have charges of 1.0 microCoulombs and 3.0 nanoCoulombs respectively. What must be their mass if their mutual gravitational attraction is to equal their Coulomb repulsion?
In an elementary-particle experiment, a particle of mass m is red, with momentum mc, at a target particle of mass 2squrt (2m) . The two particles form a single new particle (completely inelastic collision).
A transformer takes 120V (RMS) from a household circuit and drops it to supply a secondary circuit at 8V (RMS) to power a dorbell at 3.75A (RMS). What is the peak current in the primary coil of the transformer
A man standing1.54m in front of a shaving mirror produces an inverted image20.0cm in front of it. How close to the mirror should he stand
Chinook salmon are able to move through water especially fast by jumping out of the water periodically. This behavior is called porpoising. Suppose a salmon swimming in still water jumps out of the water with velocity 6.59 m/s at 41.7° above the h..
Prism of refractive index 1.53 is placed in water of refractive index 1.33. If the angle of the prism is 60. Calculate the angle of minimum deviation in water
As observed from Earth, the wavelength of Hβ in the spectrum of the star Megrez in the Big Dipper is 486.112 nm. Laboratory measurements demonstrate that the normal wavelength of this spectral line is 486.133 nm. Is the star coming toward us or mo..
Suddenly this mass is struck by another 2.00-kg object traveling along the x-axis at 3.00 m/s, and the two masses stick together.
During Charlie's golf drive, the angular velocity of his club is zero at the top of the backswing and 20 rad/s, What is the linear velocity of the club head just before impact with the ball
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