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Problem: A sound wave with intensity 40 mW/m2 interferes constructively with a sound wave that has an intensity of 13 mW/m2.
Part A- What is the intensity of the superposition of the two?
Show all work, use additional paper if necessary.
coast guard pararescue jumpers are trained to leap from helicopters into the sea to save boaters in distress. the
the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57. Find out the acceleration of the sled and child.
A moving particle encounters an external electric field that decreases its kinetic energy from 9820 eVto 7470 eV as the particle moves fromposition A to position B. The electric potentialat A is -51.0 V, and the electric potential at B is +28.9 V.
Which of the subsequent is true about electric fields? Electric fields are scalars, and do not have direction. Electric fields point from low voltage to high voltage.
A 9000 Newton automobile is pushed along a level road by four students who apply a total forward force of magnitude 500 Newton. determine the acceleration of the automobile
A coil of inductance 77 mH and unknown resistance and a 0.79 µF capacitor are connected in series with an alternating emf of frequency 900 Hz. If the phase constant among the applied voltage and the current is 75°, what is the resistance of the coil?
An object of mass m is on a frictionless table rotating with a given tangential speed vo with a radius of string ri. Find the final speed of the object after the rope was pulled down the distance d
In 1911, Ernest Rutherford discovered the nucleus of the atom by observing the scattering of helium nuclei from gold nuclei. If a helium nucleus with a mass of 6.68 10-27 kg.
Calculate the electric flux through the circle when its face is perpendicular to the field lines and then when at 45 degrees to the field lines
a long pipe of outer radius 3.40cm and inner radius 2.89cm carries a uniform charge density of 3.22mcm3. using gausss
an ion having charge 6e is traveling horizontally to the left at 8.60kms when it enters a magnetic field that is
What is the speed of the projectile immediately before it hits the ground if air friction does one and a half times as much work on the projectile when it is going down as it did when it was going up.
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