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A 75-mm-radius hole is cut in a 200-mm-radius uniform disk which is attached to a frictionless pin at its geometric center O.
Determine
(a) the period of small oscillations of the disk,
(b) the length of a simple pendulum which has the same period.
A woman holds a tube of lipstick 9 cm from a spherical mirror and notices that the image of the tube is upright and one fourth its normal size. Calculate the focal length of the mirror
Find the distance point P on the tip of the blade has traveled in 3 sec. Also, find the magnitude of the acceleration of point P when t = 3 sec.
a spherical ballon with radius 1.0m consists of an aluminum coated mylar. how many electrons must be deposited on the
q1. the front of her sleeper wet from teething a baby rejoices in the day by crowing and bouncing up and down in her
A 65 kg skateboarder comes over the top of a hill at 5.0 m/s and reaches 10 m/s at the bottom. Find the total work done on the skateboarder
A ball rolls down a 100 meter the hill is inclined at 60o. If the ball has a rotational inertia of 10kg-m2 and starts from rest, obtain what is the final rotational speed of the ball
in gaseous sodium chloride chloride ions have one more electron than they have protons and sodium ions have one more
Two small stereo speakers are 2.8 m apart and act as a double-slit interference experiment with sound waves. If the opposite wall of the room is 7.5 m away and the sound frequency is 1.4 kHz, what is the distance among the two interference maxima nea..
Describe how you could use your sound data for the car's resting frequency f0 and measured frequency fF while moving toward the policeman to calculate the speed of an approching car (vs) in order to check the reliability of the radar gun.
when you place a saltshaker 30 cm from your magnifying glass a real image forms 30 cm from the lens on the opposite
An antique phonograph turntable has a kinetic energy of 2.60×10?2 J when turning at an angular velocity of 47.0 rev/min
If the three friends pull the object at constant velocity for 10 m, how much work have they done? What is the coefficient of kinetic friction between the object and the surface?
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