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When a mass is suspended from a spring, the equilibrium length is increaseb by 50 mm. The mass is then given a blow which starts it vertically at 200mms^-1. Find the period and amplitude of the resulting oscillations, assuming neglibible dampening.
A certain camera has f-numbers that range from 1.7 to 29. If the focal length of the lens is 57 mm, what is the range of aperture diameters for the camera
A 5.7 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. What is the amplitude of the motion
A college student produces about 135 kcal of heat per hour on the average. What is the rate of energy production in watts
a solenoid contains 705 coils of very thin wire evenly wrapped over a length of 17.0cm . each coil is 2.50 cm in
If the entrance velocity into the pipe is 12.5 m/s, what is the rate of flow of the material (air) 'Rm'? What is the velocity 'Vf' when the air is ejected into the surroundings at 1 atm through a nozzle
Compute the impedance of a series R-L-C circuit at angular frequencies of ?1= 1000rad/s , ?2= 715rad/s and ?3= 545rad/s, What is the phase angle of the source voltage with respect to the current
As a function of time t, force component Fx that acts on a 3.00 kg ice block that can move only along the x axis. At t=0, the block is moving in positive direction of the axis, with a speed of 3.0 m/s. what are its (a) speed and (b) direction of trav..
assume that a scale is in an elevator on earth. what force would the scale exert on a 57.6kg person on it if the
The photoelectric threshold wavelength of a tungsten surface is 272. Calculate the maximum kinetic energy (in ) of the electrons
You are walking along a small country road one foggy morning and come to an intersection. At what speed is the ambulance traveling
If the lattice constant of the FFC structure is 4.75A, what is the surface density of atoms for a (100) plane
Find out a mathematical expression in terms of x, y, and z for the y-component of the force on the particle.
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