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Question1
A dock worker loading crates on a ship finds that a 22 kg crate, at first at rest on a horizontal surface, requires a 69 N horizontal force to set it in motion. Though, after the crate is in motion, a horizontal force of 46 N is required to keep it moving with constant speed.The acceleration of gravity is 9.8 m/s2. Find out the coefficient of static friction between crate and floor and discover coefficient of kinetic friction.
Question2
A friend of yours is loudly singing a single note at 380Hz while racing toward you at 26.2m/s on a day when speed of sound is 339Hz. What frequency do you listen to? What frequency does your friend hear if you suddenly begin singing at 380Hz?
Question3
An FCC film is deposited on (100) plane of a single-crystal FCC substrate. It is determined that an angle between [100] directions in the film and substrate is 63.4°. What are Miller indices of the plane dishonest in the film surface?
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is the maximum displacement of the bridge deck?
What is the magnitude of the current in the wire as a function of time?
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Illustrate the cause of the components accelerating from rest down the conveyor.
Calculate the dc voltage applied to the circuit.
Quadrupole moments in the shell model
Determine the tension in each string
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
Evaluate maximum altitude?
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