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piston-cylinder device has nitrogen gas at 160 kpa and 158oc the 23-cm diameter piston initially pushes against a set
a large tank is divided into two parts by a partition the first part contains 5 kg of refrigrtant-134a at 80oc 900 kpa
a doubly charged helium atom whose mass is 66 10- 27 kg is accelerated by a voltage of 2400 vwhat will be its radius
an electron is projected vertically upward with a speed of 150 106 ms into a uniform magnetic field of 0200 t that is
positively charged aluminum ion al3 has a mass of 450 1026 kg after being accelerated through a potential dierence of
an electron moves along the z-axis with vz 44 x 107 ms as it passes the origin what are the strength and direction of
a block of mass 175 kg is kept at rest as it compresses a horizontal massless spring k 883 nm by 559 cm as the block
a beam of sunlight encounters a plate of crown glass at a 3650deg angle of incidence crown glass has n 1520 for red
object o1 is 147 cm to the left of a converging lens with a 120-cm focal length a second lens is positioned 100 cm to
if 614 cm of copper wire resistivity 169x 10-8omegabullm diameter 0943 mm is formed into a circular loop and located
a 40 kg mass is attached to a spring constant k2500nm and is resting on a frictionless horizontal surface the spring is
a transport plane flies horizontally with a fix velocity of160 ms at a height of 2000 m directly over a marker it
an arrow has a velocity of 450 ms when it reaches a straw target if its tip comes to rest at a depth of 200 cm into the
a ski starts from rest and slides down a 21degree incline 90 m long use energy methodsa if the coefficient of friction
red blood cells have a particular gravity of 500 and a diameter of about 750 if they are spherical in shape which is
a certain athlete consistently throws a javelin at a speed of 28meter per second find his best distance in meter
a 100 kg person is 34 three fourths of the way up a 10 meter ladder that is resting against a smooth friction less wall
a ball is whirled around in a horizontal circle of radius 04m its centripetal acceleration is 90 ms2 evaluate what is
a simple pendulum is made up of a 20 kg mass suspended on a thin aluminum wire the pendulum has a period of exactly 40
a planetary probe is designed to drop the vehicles instrument package from a height of 20 meters above the planets
a rocket powered sled accelerates from rest with fix acceleration after t10sec it has traveled a distance x400meter
an electric motor can accelerate a ferris wheel of moment of inertia i20000kg m2 from rest to 10revmin in 12second when
a satellite moves in a circular orbit around earth at a speed of 5929 msa evaluate the satellite altitude above the
a rope is wrapped around a wheel of diameter 50 cm the wheel is mounted with friction less bearings on an axle during
a uniform disk of mass m 120 kg and radius r 075 m is free to rotate about a frictionless axle during its center a