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Sound exits a diffraction horn loudspeaker through a rectangular opening like a small doorway. A person is sitting at an angle off to the side of a diffraction horn that has a width D of 0.0869 m. The speed of sound is 343m/s. This individual does not hear a sound wave that has afrequency of 10600 Hz. When she is sitting at an angle /2, there is a different frequency thatshe does not hear. What is it?
A gate is free to rotate without friction about its hinges at H. The gate is initially at rest. Compute the magnitude of the mud's angular momentum about H
A proton is released from rest in a uniform electric field of magnitude 1.08^5 N/C. Find the speed of the proton after it has traveled
A Cassegrain astronomical telescope uses two mirrors to form the image. Compute the radius of curvature of a secondary mirror
A small block of mass m slides along a frictionless loop-the-loop track. If it starts from rest at point P. What is the resultant force at point Q
A spherical capacitor contains a charge of 3.40nC when connected to a potential difference of 250V. Calculate the radius of the inner sphere
q. a small block with a mass of 0.170 kg is attached to a cord passing through the hole in a frictionless horizontal
A mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 5.65 N. The axle has a radius of 0.045 m. What is the torque produced by the tension on the axle
A ball of mass 0.275kg that is moving with a speed of 5.1m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
Gliders with masses 0.150kg and 0.220kg are at rest on an air track with a spring between them. Find the speed of the heavier glider
A large box with mass 45 kg is being pushed up a ramp at a 32 degree incline at a constant velocity by a man pushing parallel to the incline of 7.80 m. determine the force the man is pushing on the box
A machine part rotates at an angular speed of 0.66 rad/s; its speed is then increased to 3.0 rad/s at an angular acceleration of 0.66 rad/s2. Find the angle through which the part rotates
Three long parallel wires are at the corners of a square of side 5.0 cm and each carry a current in the same direction of 93.0 A. What is the magnitude of the magnetic field at the corner where there is no wire
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