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Figure shows a hand crank with static vertical load applied to the handle.
(a) Copy the drawing and mark on it the location of highest bending stress. Make a three-dimensional Mohr circle representation of the stresses at this point. (Neglect stress concentration.)
(b) Mark on the drawing the location of highest combined torsional and transverse shear stress. Make a three-dimensional Mohr circle representation of the stresses at this point, again neglecting stress concentration.
1. Two coils share a common axis as shown in the figure. The mutual inductance of this pair of coils is 6.0 mH. If the current in coil 1 is changing at the rate of 3.5 A/s, what is the magnitude of the emf generated in coil 2?
Is it possible to spin a bucket of water in a vertical circle and none of the water spill when the bucket is upside down? How would you explain this to members of your family?
Estimate the mass and weight of the air contained in a classroom where Thermodynamics is taught. Assume the dimensions to be 3.2 m · 8 m · 20 m.
Two nanowires are separated by 1.6 nm as measured by STM. Inside the wires the potential energy is zero, but between the wires the potential energy is greater than the electron's energy by only 1.4 eV.
Emilie's potter's wheel rotates with a constant 2.40rad/s2 angular acceleration. What was the angular velocity of the wheel at the beginning of the 3.20s interval
A 1.18 m long sample from a roll of string is measured to have a mass of 1.04 g. find the wavelength of traveling waves on this string which have frequencies of 40.0 Hz and 5.00 Hz
A lighthouse sweeps its beam of light around in a circle once every 6.0 s. To an observer in a spaceship moving away from Earth, What is the speed of the spaceship relative to Earth
Provided the amplitude is sufficiently great, the human ear can respond to longitudinal waves over a range of frequencies from about 20.0 Hz to about 20.0 kHz. How far apart would the red dots be
A 50,000 kilogram space shuttle is in a 500 kilometer high circular orbit about the earth and wants to descend into a 300 kilometer high orbit. Obtain how much total energy will it have to gain or lose to do this
Two charges, Q1=4.9 nC and Q2=-5.5x10-9 C are situated at the diagonal corners A and C of a rectangle of sides AB=DC=22.6 cm and AD=BC=4.3 cm. What is the magnitude of the electric field at point D?
A mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 5.65 N. The axle has a radius of 0.045 m. What is the torque produced by the tension on the axle
A 4-kg mass is connected by a light cord passing over a pulley to a 2-kg mass. The pulley rotates about a frictionless axle and has a mass of 3kg and radius .2-m. find the acceleartion of the two masses
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