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The femur is a bone in the leg whose minimum cross-sectional area is about 3.4 x 10-4 m2. A compressional force in excess of 6.9 x 104 N will fracture this bone. Bone has a compressional Young's modulus of 9.4 x 109 N/m2.
(a) Find the maximum stress that this bone can withstand.
(b) What is the strain that exists under a maximum-stress condition?
A 5.080 kg block of wood rests on a steel desk, State the force of friction applied to the block by the table at the following times: t=0 and t>0
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
A 626g sample of water at 90 degrees is mixed with 441g of water at 30 degrees. What is the final temp of the mixture? Presume not heat is lost to the surroundings.
A 70.0Hz generator with an rms voltage of 165Vis connected in series to a 3.35k ohm resistor and a 2.5uF capacitor, Find the phase angle between the current and the voltage
A sinusoidal transverse wave travels along a long stretched string, What is the shortest transverse distance between a maximum and a minimum of the wave
A spring is initially compressed by 17.5 cm. If it takes 7.166 J of work to compress the spring an additional 3.5 cm, what is the spring constant of the spring
Beats of frequency 4Hz are heard when a tuning fork of frequency 1000Hz and a vibrating wire are sounded together. What is frequency of the wire.
Use gauss law to find the electric field in the space surrounding an infinite line of the charge with a uniform charge density
Radio telescopes use radio waves (instead of light) to produce images. what is the best possible angular resolution that can be achieved
A uniform disk of mass m=0.400 kg and radius R=20.0 cm is pinned to the wall near its rim. Find the angular frequency of oscillation if the disk is set swing back and forth
A diver makes 0.50 revolutions on the way from a 9.9-m-high platform to the water. find the diver's average angular velocity during a dive
A water filled pipe has water flowing at 5.70 m/s in a section of pipe where the diameter is 19.2 cm, What is the volume flow rate through the smaller pipe
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