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A harpsichord string of length 1.50 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz.
(a) What is the speed of the transverse string waves?
(b) What is the tension?
(c) What are the wavelength and frequency of the sound wave in air produced by vibration of the string? The speed of sound in air at room temperature is 340 m/s.
A 75kg skater starts his skate at 4m above ground, the horizontal distance to the bottom of the track is 6m. Calculate the speed of the skater at the bottom of the track
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find out where the coyote lands in the canyon.
Two points in a rectangular coordinate system have the coordinates (4.6, 2.9) and (?3.4, 4.7), Determine the distance between these points
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Kathy tests her new sports car by racing with Stan, an experienced racer. Both start from rest, Find the time at which Kathy overtakes Stan
To simulate gravitation effects in space, you design a large cylindrical space station with a radius of 200m. Calculate the Rotational Kinetic Energy of the Station
A train 400m long is moving on a straight track with a speed of 84.30km/h. The engineer applies the brakes at the crossing and later the last car passes crossing with the speed of 17.7 km/h. suppose constant acceleration; conclude how long the tra..
A 320 kg rocket sled can be accelerated at a constant rate from rest to 1400 km/h in 2.0 s. What is the magnitude of the necessary net force.
Though slow on land, the leatherback turtle holds record for the fastest water speed of any reptile: 9.78 m/s. It is also among the largest of reptiles. Assume the largest leatherback yet discovered were to swim at the top leatherback speed. If its k..
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