Q1 a student stands several meters in front of a smooth

Reference no: EM13354553

Q1. A student stands several meters in front of a smooth reflecting wall, holding a board on which a wire is fixed at each end. The wire, vibrating in its third harmonic, is 75 cm long, has a mass of 2.29g, and is under a tension of 500N. A second student, moving toward the wall, hears 8.8 beats per second. What is speed of the student approaching the wall?

Q2. Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.65 on the similar curve. What is the maximum speed at which car B can negotiate the curve?

Reference no: EM13354553

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