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Thermistor calibration problem. Suppose you calibrate a thermistorby inserting it first in ice water, then in boiling water. In icewater, the thermistor reads -32 mV and in boiling water it reads205 mV. Next you measure the temperature of an unknown sample andread 109 mV. What is the temperature in ?C?
q1. a roller-coaster track has six semicircular dips with different radii of curvature. the similar roller-coaster cart
A bucket filled with water has a mass of 48.00 kg and is attached to a rope that is wound around a 0.08 m radius cylinder. What torque does the bucket produce around the center of the cylinder.
At t = 5.0 seconds, the cheetah is standing still, having knocked over the gazelle. Illustrate what is the average acceleration of the cheetah from t = 0 to t = 5.0 seconds?
In the Bohr model of the hydrogen atom, an electron in the9thexcited state moves at a speed of2.70104m/s in a circular path of radius4.2810-9m. What is the effective current associated with this orbiting electron?
find the net rate of radiation by a pot at 35.7°C that has been placed in a -23.9°C freezer. The pot's surface area is 0.111 m2 and its emissivity is 0.655.
A piece of string 5.30 m long has a mass of 15.5 g. What must the tension in the string be to make the wavelength of a 128 Hz wave 120.0 cm.
A dumbbell is made of two spheres, which each have a mass M and a radius r - and a massless stick af length L. What is the torque acting on the dumbbell
An object has a velocity 0(t) = (3.00 m/s) + (1.00 m/s) at time t = 0.00 s. The acceleration of the object is (t) = (2.00 m/s3)t + (1.00 m/s4)t2 . If the object is located at 0(t) = (1.00 m) + (-1.00 m) at time t = 0.00 s.
It is known that the electric force of repulsion between two electrons is much stronger than the gravitational attraction. For two electrons at a distance d apart, calculate the ratio of the size of the electrostatic repulsion to that of the gravi..
Calculate the shortest wavelength that will be emitted from an X-ray tube in which the electron beam has been accelerated through a potential difference of 30 kV
Light of wavelength 588 nm falls on a double slit. First-order bright bands appear 3.65 cm from the central bright band. The screen is 1.20 m from the slits. How far apart are the slits.
A 370-g block is dropped onto a vertical spring with spring constant k=3.2 N/cm. While the spring is being compressed, what work is done by the block's weight
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