When the door of the Chapel of the Mausoleum In Hamilton Scotland is slammed shu

Question

When the door of the Chapel of the Mausoleum In Hamilton Scotland is slammed shut, the last echo heard by someone standing just inside the door reportedly comes 15 seconds later. If the echo were due to a single reflection off a wall opposite the door, how far from the door would the wall be? If instead, the wall is 25.7 m away, how many reflections (back and forth) correspond with the last echo? what is the bulk modulus of oxygen if 32.0 grams of the oxygen occupies a volume of 22.4 Liters and the speed of sound in oxygen is 317 m/s? A stone to dropped into a well. The splash is heard 3.00 seconds later. How deep is the well? A 1.0 Watt point source sound waves. Assuming that energy is conserved, find the sound intensity at 1.O and 2.5 meters from the source A source emits sound waves. The intensity of the waves 2.5 meters from the source is 191 * 10-4 W/m2. Find the power of the source. Suppose that the sound level of a conservation is initially an angry 70.0 dB and then drops to a soothing 50.0dB. Assuming that the frequency of sound is SOO Hz, determine the initial and final intensities of the sound. A state trooper is chasing a speeder along a straight road. Both vehicles are moving at 160 km/hr The siren on the patrol car produces a sound at frequency of 500 Hz. What is the Doppler shift In the frequency heard by the speeder? An ambulance with a siren emitting a sound of 1600 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s. After being passed, the cyclist hears a frequency of 1590 Hz. How fast is the ambulance moving?

Explanation / Answer

we know the electric potential is given by P = k*(q1+q2)/r here q1= 6micro C and q2 = -6 micro C => putting in the potential formula we have P = 0 ( since the opposite charges create oppsite potentials and they get canceled out)

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