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Question1
A relaxed biceps muscle requires a force of 25.0N for an elongation of 3.0 cm; below maximum tension, the same muscle requires a force 500N for the same elongation. Find the Young's modulus for the muscle tissue under each of these conditions if the muscle can be modelled as a uniform cylinder with the initial length of 0.200 m and a cross-sectional area of 50 cm^2
Question2
A swimming pool has dimensions 32.0 m 8.0 m and a flat bottom. The pool is overflowing to a depth of 1.70 m with fresh water.
(a) What is force exerted by the water on the bottom?1 N down
(b) what is force exerted by the water on each end? (The ends are 9.0 m.)2 N outward
(c) What is force exerted by the water on each side? (The sides are 32.0 m.)3 N outward
A magnetic field of 1.1 T is perpendicular to a square coil of 14 turns. The length of each side of the coil is 5 cm. Find the magnetic flux through the coil
The mass of the Moon is 7.35 × 10^22 kg, whereas that of Earth is 5.98 × 10^24 kg. The average distance from the center of the Moon to the center of Earth is 384,400 km.
Find the flux of Earth's magnetic field of magnitude 5.00 cross 10-5 T through a square loop of area 20.0 cm2
An apple falls from a branch near the top of a tall tree. what is the apple's speed just before it hits the ground
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds. Determine maximum and minimum speeds of particles of the cord
A photon has an energy E and wavelength (lamda) before scattering from a free-rest electron. FInd the initial wavelength and the initial energy of photon
in a simplified roller bearing, the inner cylinder has a radius of 1.0 cm and is stationary. What is the angular speed of the small cylinders
A light ray enters a rectangular glass slab (n = 1.5) at point A at an incident angle theta, what is the index of refraction of the unknown liquid
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.103 N, determine the positive charge in coulombs on the other
A stamp collector uses a lens with 7.5-cm focal length as a simple magnifier. The virtual image is produced at the normal near point (25 cm). What is the expected angular magnification
2.00 moles of an ideal gas is at a pressure of 1.50 atmospheres, What is the average kinetic energy per particle in the gas
a mass M is hanging from two strings. There is a tension of 34 N in the string on the left and a tension of 24 N in the string on the right. How heavy is the object
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