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The femur is a bone in the leg whose minimum cross-sectional area is about 4.3 x 10-4 m2. A compressional force in excess of 8.0 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 plane is flying horizontally with speed 292 m/s at a height 3880m above the ground, What is the horizontal distance from the release point to the impact point
A 4 cm diameter loop with resistance 0.18 Omega surrounds a 2 cm diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left.
On Earth, you are able to consistently hit a golf ball 156 meters when you use your Five-iron which launches the ball at a 23 degree angle with respect to the ground. how far are you able to hit the ball
A 0.275 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.220 kg puck that is initially moving along the x axis with a velocity of 2.18 m/s, Determine the velocity of the 0.275 kg puck after the collsion
A heat engine absorbs 2400 J of heat from a hot reservoir and releases 1400 J of heat to a cold reservoir each second. Find the efficiency of the engine and its mechanical power output
A particle moves horizontally in uniform circular motion, over a horizontal xy plane, What are the coordinates of the center of the circular path
An 80 N box initially at rest is pulled by a horizontal rope on a horizontal table. Find the friction force on the box if the pull is 25 N and the box remains at rest
Find out the difference in potential between the birds feet.
Suppose you are standing at the bottom of a swimming pool looking up at the surface, which we assume to be calm. Looking up, you will see a circular window to the "outer world." If your eyes are approximately1.6meters beneath the surface, what is ..
A guitar string is 91.00cm long and has a mass of 3.6g. From the bridge to the support post (= L) is 60 cm, and the string is under a tension of 551 N.
Consider a solid metal conductor in static equilbrium. What is the electric field inside the conductor
A piece of rock weighs 301 N in air and has an apparent weight of 202 N when suspended under water. What are the volume and density of the rock
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