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Consider two bobs of equal mass, but different size, both tied tothe same length of string. The first is a sphere. The second is alengthy rod, tied at one end. Which pendulum has a longer period?
For a damped oscillator with a mass of 280 g, a spring constant 140 N/m and a damping coefficient of 54 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 14 cycles?
A cylinder of mass 8.0 kg rolls without slipping on a horizontal surface. At a certain instant its center of mass has a speed of 11.0 m/s. Determine the translational kinetic energy of its center of mass
When it rains, water vapor in the air condenses into liquid water, and energy is released. (a) How much energy is released when 0.0285 m (1.12 inch) of rain falls over an area of 2.59×106 m2 (one square mile)? (b) If the average energy needed to h..
In a performance test, each of two cars takes 8.0 s to acceleratefrom rest to 28 m/s. Car A has a mass of 1429 kg, and car B has amass of 1876 kg. Find the net average force that acts on(a) car A and (b) car B duringthe test.
The low range of frequencies used for medical applications is about 1,000,000 Hz. What is the wavelength of this frequency in air
A 1.15kg block is attached to a spring with spring constant 18.0N/m . While the block is sitting at rest, a student hits it with a hammer, find The amplitude of the subsequent oscillations
Estimate the air pressure at the cloud base from the problem 1 assuming isothermal atmosphere with the average temperature between the cloud base and the surface
The place you get your hair cut has two nearly parallel mirrors 7.00 apart. As you sit between these mirrors in the chair, your head is 2.50 from the mirror in front of you. How far away does the back of your head appear to be
When the string is pulled a distance of 40 cm in 2.50 s, the wheel turns though 5 revolutions. what is the average angular velocity of the wheel
Two blocks with masses M1= 4.9 and M2 = 3.5 are connected with a massless string over two massless and frictionless pulleys. What is the acceleration of mass M2
A 2.00-cm-diameter parallel-plate capacitor with a spacing of 0.200mm is charged to 300V. What is the total energy stored in the electric field
An object whose rotational inertia is 100 kgm2 is subjected to a torque of 20 Nm. During this time, what is its rotational displacement
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