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A fight breaks out at club event in Hollywood. As a result, a chair hits a 4.0 meter long metal baron the stage. A microphone at the other end of the bar picks up two pulses of sound (over the roar of the crowd, of course). One of the pulses traveled through the metal bar, the other through the air. The pulses are separated by 9.00 m.
A. Find at what speed did the sound pulse travel through the metal bar?
B. If the microphone measured the intensity level of the impact at 115 dB, find what was the decibel level of the sound at the door of the club 15 meter away?
A mass M of 1.19 kg is attached to the end of a string whose length is 0.650 m. The mass slides without friction on a horizontal surface as indicated. If the string can withstand a maximum tension of 55.5 N, what is the maximum tangential speed th..
A block of unknown mass is attached to a spring of spring constant 7.9 N/m and undergoes simple harmonic motion with an amplitude of 13.2 cm. Calculate the mass of the block
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three seconds after automobile b passes through the intersection shown automobile a passes through the same
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