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Question: To better understand the concept of static equilibrium a laboratory procedure asks the student to make a calculation before performing the experiment. The apparatus consists of a round level table in the center of which is a massless ring. There are three strings tied to different spots on the ring. Each string passes parallel over the table and is individually strung over a frictionless pulley (there are three pulleys) where a mass is hung. The table is degree marked to indicate the position or angle of each string. There is a mass m1 = 153 g located at ?1 = 26.5° and a second mass m2 = 219 g located at ?2 = 291°. Calculate the mass m3, and location (in degrees), ?3, which will balance the system and the ring will remain stationary.
A planet has a radius of 2.69 x 10^7 m and a mass of 3.06 x 10^25 kg. It orbits its sun at 1.15 x 10^11 m (assume a circular orbit) and the period of its orbit is 6.34 x 10^7 s. The mass of its sun is 9.22 x 10^31 kg. The radius of the sun is 1.50..
What order theory would you need to use to account for transverse normal strain effects in contact problems involving smooth rigid indentors and laminates?
First, assume that the collision is entirely inelastic. Calculate and describe the final state for these objects. Calculate the total energy for this system before and after the collision. Is mechanical energy conserved? If not, account accoun..
A super ball, made of rubblerlike plastic, is thrown against a hard smooth wall. What is the magnitude of the impulse delivered by the wall
In a certain time period a coil of wire is rotated from one orientation to another by respect to a uniform 0.38-T magnetic field. The emf induced in the coil is 4.4 V. Other things being equal, what would the induced emf be if the field had a magnitu..
If a star with a radius of 106 km collapses to 10km and 50% of its mass in the process. How much faster will it be spinning
Find the maximum range of a super cannon that has a muzzle velocity of 4.0 km/s, What is unreasonable about the range you found
Calculate the efficiency of a Rankine cycle that is modified from the parameters used in the text in each of the following three ways (one at a time), and comment briefly on the results: (a) reduce the maximum temperature to 500°C; (b) reduce the ..
A rope is wrapped around a wheel of diameter 50 cm. The wheel is mounted. With friction less bearings on an axle during its center. Find the linear acceleration of the falling block
What is the magnitude of the stress in part (a) if only one end of the rod is fixed?
A light spring with spring constant 1200 N/m hangs from an elevated support. From its lower end hangs a second light spring, which has spring constant 1650 N/m. An object of mass 1.50 kg is hung at rest from the lower end of the second spring.
A Cylinder of nitrogen gas (N2, diatomic) at RTP is adiabatically compressed so the final volume is 1/12 the original volume. What is the final pressure and temperature of the gas
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