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A tendon is 5.2 cm long, has a cross-sectional area of 0.00006 m2 and has an average elastic modulus of 1.2 GPa. It is stretched with a force of 2400 N
a. What is the tendon stress?
b. What is the tendon strain?
c. How much elastic energy is store in it when it is stretched?
A 87 g arrow is fired from a bow whose string exerts an average force of 105 N on the arrow over a distance of 76 cm. Illustrate what is the speed of the arrow as it leaves the bow?
The pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth.
a 5kg Potter's wheel (model as a disk) with radius 0.3m is spinning at 5 rad/s. what is the mass of the clas
Two converging lenses, each of focal length 14.2 cm, are placed 59.9 cm apart, and an object is placed 26.6 cm in front of the first. determine the magnification of the system
A refrigerator uses an ideal Carnot cycle to cool its interior. The outside air has a temperature of 304 K, What is the coefficient of performance of this refrigerator
The mass then travels vertically and it takes 1.10 s for the mass to reach the top of its trajectory. Determine the spring constant, in N/m. (Use g=9.81 m/s2). Assume that the time required for the spring to reach its full extension is negligible.
A ball rolling down an incline travels 6 cm in the first .25 seconds, and 24 cm in the first .50 seconds. find the average speed for the second quarter second time interval
A sign weighing 400N is suspended at the end of a 350N uniform rod that is hinged at the wall. What is the tention T in support cable
What is the breaking strength
The water level in a vertical glass tube 1.150 m long can be adjusted to any position in the tube. What is the greatest depth of water for which there will be resonance in the air in the tube
A point charge Q is located at the center of a very thin, spherical metal shell. what is the electric potential of the shell
Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 8.0R1 is far from sphere 1 and initially uncharged. what fraction of qends up on sphere 1
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