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A standing wave on a tight string experiment is set upin the laboratory. One end of the string is attached to anoscillator that vibrates with a frequency of 60 Hz. The otherend of the string passes over a pulley and is attached to amass. The distance between the oscillator and the pulley is1.2 m. When the oscillator is turned on, six loops areobserved on the string. The linear mass density of the stringis 1.4 g/m.
a. What is the wavelength of the standingwave?
b. What is the wave speed of the standingwave?
c. How much mass is hanging on thestring?
A viewing window on the side of a large tank at a public aquarium measures 32 in. by 37 in. The average gauge pressure from the water is 6 psi
Ash "the working bee" decides to gather pollen and in her quest flies 50 meters from a beginning point at 0° along the west and finds nothing. Determine the displacement and direction of the bee
A train moving at a constant speed of 66.0 km/h moves east for 43.0 min, then in a direction 56.0° east of due north for 16.0 min, find the average velocity of the train during this run
Three 3 uC charges are at the three corners of a square of side 0.50 m. Find the electric field at the center of the square
A 5000 kg helicopter accelerates upward at 0.50 m/s2 while lifting a 2000 kg car. What is the lift force exerted by the air on the rotors? Evaluate the tension in the cable that connects the car to the helicopter?
the motor in a refrigerator has power p. if the freezing compartment is at temperature tl and the outside air is at
Two conductors having net charges of 14 µC and ?14 µC have a potential di?erence of 11.1 V. Determine the capacitance of the system
A figure skater is spinning with an angular velocity of +14 rad/s. She then comes to a stop over a brief period of time. Determine the time during which she comes to rest
When 1g of natural gas is burned in a stove, about 56kJ ofheat is produced. How much mass is lost in the process? Can this mass change be directly measured
How much work is done if the same tension is directed parallel to the snow.
A wildland fire sawyer is cutting a snag of length L = 23.5m and mass m = 880kg. He puts a Humboldt face cut on the snag which has a negligible amount of taper, what is the final angular velocity of the snag
Light inside an optical fiber tube hits the wall between the tube and air and is totally internally reflected. what is the index of refraction of the tube
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