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A 31 cm -diameter conducting sphere is charged to 570 V relative to V=0 at r=∞?
What is the surface charge density σ?
At what distance from the center of the sphere will the potential due to the sphere be only 28 V?
a plucked guitar string produces a sound wave of frequency 0.44 kHz on a day when the speed of sound is 340m/s. What is the wavelength of the sound wave
A pendulum is hanging from the ceiling of a train car. a) When the train is stationary, what direction does the pendulum hang? b) When the train is moving
A horizontal spring is lying on a frictionless surface. One end of the spring is attached to a wall whle the other end is connected to a movable object. The spring and object are compressed by 0.085 m, released from rest, and subsequently oscillat..
An incredibly large slingshot is stretched 1.0 meters to launch a 128.0-gram projectile with a speed sufficient to escape from the Earth (11.2 km/s). What is the spring constant of the device if all the potential energy is converted to kinetic ener..
The density of brass is 8.70 g/cm3. What is the ratio between the two moments of inertia, Ibrass : Ialuminum
an unstable particle of mass m decays into two identical particles each of mass m. obtain an expression for the
A bowling ball (mass = 7.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.36 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
A sound wave traveling in air at 73°C has a frequency of 776 Hertz. Compute what the wavelength
A 52g ice cube at its melting point is dropped into an insulated container of liquid nitrogen. How much nitrogen evaporates if it is at its boiling point of 77 K and has a latent heat of vaporization of 200 kJ/kg
A grating spectrometer is used to resolve first order peaks from two wavelengths of λ1 = 535.00 nm and λ2 = 535.77 nm. What is the minimum number of slits this grating must have to resolve these wavelengths?
A ball (spherical shell of mass M and radius R) rolls without slipping up a ramp. If the ball's initial speed is v, how high up the ramp does the ball roll
What is the magnitude of the accelerations of the masses, What is the magnitude of the accelerations of the masses
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