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You take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a tension of 1.96 N. You use your data to create a plot of wavelength (in m) vs inverse frequency (in s) and the linear fit of your graph gives a slope of 17.40 ± 1.117. What is the linear mass density of the string, including its uncertainty?
__________ +/- _________.
A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. The pot has an emissivity of 0.60, Calculate the coffee's rate of heat loss by radiation
A child sitting 1.06 m from the center of a merry-go-round moves with a speed of 1.35 m/s. Calculate the centripetal acceleration of the child
A 237 kg cart runs into the rear end of a 120 kg cart that is stationary. What is the speed of the moving cart before the collision
A 12-inch cast iron water pipe that has been in service for 50 years is found to have extensive corrosion inside. How these conditions would affect friction losses in the pipe describe it.
The power required by an ice maker is 225 W and is the rate at which it does work. determine the maximum amount of ice the unit can produce in one day
She wants glasses that will let her see objects at a distance of only 25 cm from her eyes. Examine the focal length of the glasses needed if the glasses are 2 cm and 3 cm from her eyes.
What torque must the fireman exert on the hose? That is, what is the rate of change of angular momentum of water.
The lowest outdoor temperature ever recorded on Earth was %u2212128.6 %u25E6F, recorded at Vostok Station, Antarctica, in 1983. What is this temperature on the Kelvin scale
The flywheel of an engine has a moment of inertia 3.00 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
A scaffold of mass 43 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the nearer cable
A lamp which is 12.0 cm tall is 286.8 cm in front of a converging lens which has a focal length of 77.5 cm. What is the image distance for this lamp
Two 2.1-cm-diameter electrodes with a 0.10-mm-thick sheet of Teflon between them are attached to a 9.0 V battery, What is the charge before the Teflon is removed
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