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A torsion test specimen has a radius = 25 mm, wall thickness = 3 mm, and gage length = 50 mm. In testing, a torque of 900 N-m results in an angular deflection = 0.3°. Determine: (a) the shear stress, (b) shear strain, and (c) shear modulus, assuming the specimen had not yet yielded.
An inquisitive physics student, wishing to combine pleasurewith scientific inquiry, rides on a rollercoaster sitting on abathroom scale. What does the scale read at that point
A radio station broadcasts at a frequency of 600,000 Hz. Know that radio waves have a speed of 3.00 x 10^8m/s, what is wavelength of these waves.
A car with 66 -diameter tires accelerates uniformly from rest to 20 in 20 . How many times does each tire rotate
18th Century cannon had a maximum range of 1.10 miles when fired on level ground. Find the velocity of the cannonball as it leaves the cannon
If an electroscope is charged by induction
If an airplane accelerates at 10 m/s2 for 8.2 seconds. How far has the plane traveled in that amount of time
one mole of an ideal gas at 1 atm and 0 C is compressed isothermally from 50 L to 20 L. During this process, energy is transferred out of gas. What is the change of internal energy for this gas
A diver springs upward from a board that is threemeters above water. At an instant he contacts the water his speedis 9.20 m/s and his body makes an angle of 78.0o with respect to the horizontal surface of the water.
A crate of 30.2- tools rests on a horizontal floor. You exert a regularly increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 319. After that you must reduce your push to 227 to keep it moving at a..
Using a theodolite, with a laser rangefinder, a researcher at point A locates a pair of rare birds nesting at point B, For observation from point C, determine the direction angles and distance to the nest at B
A -3.07 ?C charge is placed at the center of a conducting spherical shell, Calculate the total charge on the outer surface of the conductor
Find the focal length of a concave mirror if an object 12cm from the mirror has a virtual image 2.1 times the object's actual size
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