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Musical instruments (normally) vibrate in the sfundamental state. To change the frequency ( and therefore the note) from a guitar string, the player will pin the strings down to force nodes in different places, thereby changing the wavelength.
Piano wires are struck with a hammer and produce only one note each. The piano itself has a fixed size and filling it with wires of varying lengths up to several meters long is not feasible. What is different about each piano wire to allow them to have different resonant frequencies?
a 10.0 kg watermelon and a 7.00 kg pumpkin are attached to each other via a cord that wraps over a pulley. find the accelerations of the pumpkin and the watermelon
A curving freeway exit has a radius of 51.5m and a posted speed limit of 35 mi/h. What is your radial acceleration
What is the magnitude and direction of the magnetic field at location P due to I1? What is the magnitude and direction of the magnetic field at location P due to I2?
A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an ang..
A thin, cylindrical rod L = 20.6 cm long with a mass m = 1.20 kg has a ball of diameter d = 6.00 cm and mass M = 2.00 kg attached to one end. The arrangement is originally vertical and stationary, with the ball at the top as shown in the figure be..
if an electron is confined to a region of size 35.2 nm, what is the minimum possible uncertainty in its momentum
A solid, square pinewood raft measures 3.0 m on a side and is 2.30 m thick. What is the total mass of swimmers that the raft can carry and float by its top surface at water level?
The illuminance of direct sunlight on Earth is about 105 lm/m2. Calculate the luminous intensity of the Sun
Romeo is chucking pebbles gently up to Juliet's window, and he wants the pebbles to hit the window with only a horizontal component of velocity. he is standing at the edge of a rose garden 4.5 m below her window and 5 m from the base of the wall. How..
City A is 150. miles from City B. City C is 300. miles from City B. A pilot flew a plane directly from City A to City B. While making the trip, the plane’s compass indicated a heading of 130.° and its air speed indicator indicated a speed of 60.0 ..
q1. a parachutist descending at a speed of -13.0 ms loses a shoe at the altitude of 54.0 m.a when does the shoe reach
What will be the y-coordinate of the proton.
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