Find out the intensity if the frequency is increased

Reference no: EM1311919

Q1. A 1900 kg car travelling at a speed of 25 m/s skids to a halt on wet concrete where f_k = 0.60. How long are the skid marks?\

Q2. The intensity of a sound wave at a fixed distance from a speaker vibrating at 1.00kHz is 0.450 W/m2.

Find out the intensity if the frequency is increased to 2.90 kHz while constant displacement amplitude is maintained.

Reference no: EM1311919

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