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a 851-kg car stopped at an intersection is rear-ended by a 1760-kg truck moving with a speed of 175 ms if the car was
a carnot cycle heat engine uses steam as the working fluid and has a thermal efficiency of 20 heat is transferred to
a 200-turn rectangular coil having dimensions of 30 cm by 60 cm is placed in a uniform magnetic field of magnitude 098
a person with a mass of 50 kg jumps vertically with an initial velocity of 2 ms assuming there is no vertical forces
a horizontal power line of length 43 m carries a current of 13 ka earths magnetic field at this location has a
a crate of mass 98 kg is pulled up a rough incline with an initial speed of 146 ms the pulling force is 108 n parallel
a flat coil enclosing an area of 007 m2 is rotating at 56 revs with its axis of rotation perpendicular to a 017 t
two blocks of weights 240 and 500 n are connected by as massless string and slide down an inclined plane making an
a sledge loaded with bricks has a total mass of 190kg and is pulled at constant speed by a rope inclined at 204 degrees
an upright object is placed a distance in front of a converging lens equal to twice the focal length f1 of the lens on
a solenoid is formed by winding 97 turns of wire around a rectangle 73 cm by 146 cm if the solenoid is 17 cm long what
a 180 m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 153 ms the
youre a production engineer in a cookie factory where mounds of dough drop vertically onto a conveyer belt at the rate
calculate the distance from the earth for a geosynchronous satellite orbit express the result in units of the radius of
a potters wheel of radius 026 m is turned on at t 0 and accelerates uniformly after 61 s the wheel has an angular
a laser has a power of 229 w and a beam radius of 0515 mma find the intensity of the laser wm2 s including equipment is
a 100 -long solenoid of diameter 0400 is wound uniformly with 800 turns a second coil with 500 turns is wound around
a closely wound rectangular coil of 950 turns has dimensions of 230 by 420 the plane of the coil is rotated from a
a bicyclist is traveling at a speed of 20ms as he approaches the bottom of a hill he decides to coast up the hill and
electrons are ejected from a certain metallic surface with speeds ranging up to 42 105 ms when light with a wavelength
a billiard ball moving at 600 ms strikes a stationary ball of the same mass after the collision the first ball moves at
a step down transformer is designed to have an output voltage of 195 v when the primary is connected to the 120 v if
a loop of area 0100 m2 is rotating at 3600 rpm revolutions per minute with an axis of rotation perpendicular to a 020 t
the magnetic field in a certain region is 0128 and its direction is that of the axis in the figure what is the
a 200kg projectile is launched with a speed of 50ms at an angle of 30o from level ground how much kinetic energy will