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Calculate the fundamental frequency of a 4 meter organ pipe that is open at both ends. Assume that the temperature is 20oC and the speed of the sound is 344 m/s.
A microscope has a 1.9cm -focal-length eyepiece and a 0.70cm objective lens. Calculate the total magnification
A simple pendulum has a mass of 0.550 kg and a length of 4.00 m. It is displaced through an angleof 55.0° and then released. What is the maximum angular acceleration
A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. Incorrect: Your answer is incorrect. Your response differs from the correct answer by more than 10%. Double check your calculations. m..
Two masses are placed on the x axis. The first mass 320kg is located at x = 310cm , the second mass 660kg is at the origin
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +10q. Sphere B carries a charge of -7q. Sphere C carries no net charge. How much charge ends up on sphere C
An ?-particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.38 106 V, What is the magnitude of the magnetic force on it
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of7.1 m/s. Find the fraction of kinetic energy lost in the collision
Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship,..
A hollow wire of outer radius 10 cm and inner radius 5 cm carries a uniformly distributed 12 Amp current. Discover the value of the magnetic field at a) r= 6 cm and b) r= 20 cm. (use ampere slaw)
A particle has a charge of q = +5.9 μC and is located atthe orgin. As the drawing shows, an electric field of E x = +233N/C exists along the x axis. A mangnetic field also exists, andIt's x and y components are Bx = +1.5 T and By = +1.3 T.
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.65 105 Pa and the pipe radius is 2.60 cm. Find the volume flow rate through the pipe
An infinite line of positive charge lies along the y axis, with charge density ? = 1.60 ?C/m. Find the magnitude of the net torque exerted on the dipole
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