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A crate of mass 2000 kg is hanging from a crane at the end of a cable 12 m long. If we attach a horizontal rope to this crate and slowly apply a pull of 1800 N, what angle will the cable finally create with the vertical?
Five moles of an ideal monatomic gas with an initial temperature of 128 C expand and, in the process, evaluate the final temperature of the gas
In January from Indiana, Andromeda is high in the sky at 6pm local time. (Note that local time is about 40 minutes later than Eastern Standard Time, Where would Andromeda be at midnight local time
the electric field on the axis of a uniformly charged ring has magnitude 390knc at a point 6.2cm from the ring center.
a rock is thrown straight upward with an initial velocity of 24.5 ms where the downward acceleration due to gravity is
A 15,000 kg F-18 (jet fighter) lands at 50 m/s on an aircraft carrier, its tail hook snags the cable to slow it down. The cable is attached to a spring with a spring constant of 62,000 N/m. How far does the spring stretch to stop the jet?
Two plastic spheres, each carrying charge uniformly distributed throughout its interior, are initially placed in contact and then released, Find the maximum speed achieved by the sphere of mass 50.0g
Find the temperature rise of the bullet assuming the impact occurs so rapidly that the impact process can be considered to be adiabatic. For lead, use fu = 0.0130(T) in Btu/lbm, where T is in °F or R.
A metal disk of uniform density of mass M and radius R has a small hole drilled in it at a distance x from the center. The hole is used to suspend the disk on a peg. The disk is then pushed so that it oscillated as a pendulum concerning the axis of ..
Consider a reference frame associated with a free falling cabin, which is moving with an acceleration of g = 9.8m/s^2. At time t=0 the cabin is at rest. Is this reference frame inertial
A 79-kg parachutistdescends through a vertical height of 350 m with constant speed. Find the increase inentropy produced by the parachutist
the dielectric constant for polystyrene filling is 2.5. a coaxial cable consists of a cylindrical metal sheath with
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. How many revolutions per minute is the sample making
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