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The diameter of the aluminum cylinder is measured to be: (4.935 ±0.003)cm. The hanging mass (paint bucket and 5kg) for a Mechanical Equivalent of Heat experiment is recorded as (5.2977 &plusm
The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines. Calculate the pressure due to the ocean
Molybdenum has a work function of 4.2 eV. If light of frequency 2.0 x 10^15 Hz strikes the surface of molybdenum
A length L of wire carries a current i. Find the expression for the maximum torque
A copper bar 2.5 m long has a circular cross section of radius 2 cm. One end is kept at 80oC, what is the temperature gradient along the length of the bar
an object is at a distance d to the left of a flath screen. A converging lens with focal length f<d/4 is palced between object ans screen. how do the two images differ from each other
A meter stick travels past an observer at the speed of 0.9c. What length would be recorded by the observer
A rod is measured to be 12cm by an observer moving at 0.60c with respect to the length of the rod. What is the proper length of the rod
A spaceship travels past an observer at a speed of 0.6c. What time would the observer record for the same event
2 moles of an ideal gas is allowed to expand from 0.002 m^3 to 0.02 m^3 while the pressure is held at 325000 pascals. Determine the net heat flow in or out of the system
Air is confined at atmospheric pressure (101.3 kPa) in a cylinder whose volume is 0.22 m3. Calculate the increase in internal energy of the air
A monochromatic light source emits a wavelength of 490 nm in air. When passing through a liquid, What is the liquid's index of refraction
A material has an index of refraction of 2.050. What is the critical angle for internal reflection inside a block
During an all-night cram session, a student heats up a 0.836 liter (0.836 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
Blood can carry excess energy from the interior to the surface of the body, where the energy is dispersed in a number of ways. determine the temperature of the blood
A string that is fixed at both ends has a length of 1.61 m. When the string vibrates at a frequency of 92.8 Hz, What is the fundamental frequency of the string
Two pianos each sound the same note simultaneously, but they are both out of tune. On a day when the speed of sound is 347 m/s, How much time separates successive beats
An object placed 14.6 cm from a concave mirror produces a real image 7.90 cm from the mirror. where is the new image located as measured from the mirror
A certain kind of glass has nblue = 1.560 for blue light and nred = 1.510 for red light. what is the angle between the red and blue light
Three identical charges of 3.0uC are placed at the vertices of an equilateral triangle which measures 30cm on a side. What is the magnitude of the electrostatic force which acts on any one of the char
Dez pours a liquid (n = 1.43) into a container made of glass (n = 1.51). Find the angle of the corresponding refracted ray
Light from a 554-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 22 °
A very thin sheet of glass (n = 1.5) floats on the surface of water (n = 1.33). What is the thickness of the glass
The sun can be considered an ideal blackbody radiator at a temperature of 5900K, What is the peak wavelength of the distribution
Monochromatic blue light that has a frequency of 6.5e14 Hz is traveling through a piece of flint glass (n=1.66). what angles incidence result in total internal reflection