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A block with mass m = 2.0-kg attached to the end of a spring undergoes simple harmonic motion on a horizontal frictionless surface. The oscillation period is T = 5.5-s and the oscillation amplitude is A = 13.8-cm. When the spring is unstretched the block sits at a distance L = 2.2-m from a wall. Suppose we snap the spring at the very moment the block passes through the equilibrium point towards the wall. Calculate the time it takes for the block to hit the wall.
A long and narrow rectangular loop of wire of width 0.080 m is moving toward the bottom of the screen with a speed of 0.020 m/s. The loop is leaving a region in which a 3.0-Tmagnetic field exists; the magnetic field outside this region is zero.
Red light of wavelength 665.9 nanometer produces photoelectrons from a certain material. Evaluate what is the material work function
a banked circular highway curve is designed for traffic moving at 56 kmh. the radius of the curve is 201 m. traffic is
at what frequency does the inductive reactance of a 82.0 microh inductor equal the capacitive reactance of a 82.0
An electron is initially at rest. It is accelerated through a potential difference of 400 V. What is the kinetic energy of this electron
A 1.5-m-long glass tube, closed at one end,is weighed and lowered to the bottom of a fresh-water lake. Determine the depth of the lake
An object is thrown upward with a speed of 14 m/s on the surface of planet X where the acceleration due to gravity is 3.5 m/s2
Two identical mandolin strings under 200 N of tension aresounding tones with frequencies of 523 Hz. How many beats per second are heard
a small particle with a mass of 2 kg carrying a charge of 1 nc is at the surface of a charged spherical conductor of
A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 574 Hz and has a speedof 24.0 m/s. What frequency does the motorcyclist hear
A solid conducting sphere with a radius of 35.4 cm contains atotal charge of 5.46 mC, evenly distributed over its surface.(a) What is the direction of the electric field at its surface? (b)What is the strength of the electric field at its surface?
two point charges, seperated by 1.5 cm have charge values of +2.0, What is the value of the mutual force between them
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