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Question1
A 23-g bullet travelling 285m/s penetrates a 4.5kg block of wood and emerges cleanly at 230m/s. If block is stationary on a frictionless surface while hit, how fast does it move after the bullet emerges?
Question2
A 17 g rifle bullet travelling 215 m/s buries itself in a 3.8 kg pendulum hanging on a 2.5 m long string that makes pendulum swing upward in an arc. Find out the vertical and horizontal components of the pendulum's displacement.
Question3
Two speakers, one straight behind the other, are each generating a 457-Hz sound wave. What is the smallest separation distance between speakers that will produce destructive interference at a listener standing in front of them? Take speed of sound to be 344 m/s.
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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