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When responding to sound, the human eardrum vibrates about itsequilibrium position. Suppose an eardrum is vibrating with anamplitude of 6.70 10-7 m and a maximumspeed of 2.70 x 10-3 m/s.
(a) What is the frequency (in Hz) of the eardrum's vibration?
(b) What is the maximum acceleration of the eardrum?
A brass rod with a length of 1.40m and a cross-sectional area of 2.37cm2 is fastened end to end to a nickel rod with length L and cross-sectional area 0.720cm2, What is the strain in the nickel rod
q1. assuming she was dropped from a height of 290 and that superman can accelerate straight upward at 18.0 determine
A generator has a square coil consisting of 188 turns. The coil rotates at 118 rad/s in a 0.222-T magnetic field. What is the length of one side of the coil
Light of wavelength 400 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33. What is the wavelength of the light in the water
A cable is 50.0 m long and has a diameter of 2.50 cm. A force of 10,000 N is applied to the end of the cable. what is the minimum tensile modulus allowed
Three charges are fixed in the x-y plane as follows: 1.4nC at the origin (0, 0); 2.4nC at (0.90m , 0); -2.1nC nC at (0, 1.25m)
A point charge q1=5microC and is fixed in place. From a horizontal distance of 6cm a small sphere of mass 0.004 kg and charge q2=2microC is fired towards the fixed charge at 40 m/s. What is the acceleration of the sphere when it is traveling 25 m/..
A current of 2.5 a runs through 20 circular wire loops of diameter 10 cm. What is the magnetic field magnitude and direction at the center of the loops? (Show the derivation of any formula that you use.)
An 805-kg race car can drive around an unbanked turn at a maximum speed of 54 m/s without slipping. What would be the maximum speed if no downforce acted on the car
15-kg of aluminum contains .2 kg of water. initially the water and the cup have a common temperature of 18 degrees c.
A uniform cylindrical turntable of radius 1.50 m and mass 29.2 kg rotates counterclockwise in a horizontal plane with an initial angular speed of 4? rad/s. The fixed turntable bearing is frictionless. A lump of clay of mass 2.49 kg and negligible ..
Charge q is fired through a small hole in the positive plate of a capacitor. If q is a positive charge, does it speed up or slow down inside the capacitor? reply this question using the concept of force.
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