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the position of a mass m 300 kg is given in by xt 70cos 150t compute the magnitude of the maximum force acting on the
presume electrons move through a copper wire at speed v call the linear charge densities in the earth reference frame
a garden hose of inner radius 06 centimeter carries water at 12 meter per second the nozzle at the end has radius 025
a rocket with a mass of 53000 kg including fuel is burning fuel at the rate of 150 kgs and the speed of the exhaust
at 28 millimeters from a sound source the intensity level is 70 dba determine what is the level at distance of 75
a piece of metal is released under water the volume of the metal is 381 cm3 and its specific gravity is 51 evaluate
at the surface of a freshwater lake the pressure is 106 kpaa determine the pressure increase in going 349 meter below
a hypodermic syringe is attached to a needle that has an internal radius of 0300 millimeter and a length of 302
a 15 meter length of wire consists of 6 meter of copper followed by 9 meter of aluminum both of diameter 12 mm a
a horizontal force of magnitude 372 n pushes a block of mass 385 kg across a floor where the coefficient of kinetic
a pilot directs his plane north of east the airspeed of the plane is 1 600ms a wind blows with a speed of 320ms from
the heating element of an electric oven is designed to produce 31kw of heat when connected to a 240-v source what
a what is angle of projection of body thrown from inclined plane of 37degree so that body hits inclined plane
if the magnetic field at the center of a square current loop of side l 40 centimeter is 24 x 10-6 mt evaluate the
a train with a total mass 800e6kg rises 775m as it travels a distance of 550km along a steady slope at a constant speed
a lid is put on a box that is 14 centimeter long 18 centimeter wide and 80 centimeter tall and the box is then
a service station charges a battery using a current of 68a for 40h how much charge passes during the
a 320 kg child slides down a long slide in a playground she starts from rest at a height h1 of 2400 m when she is
a nurse applies a force of 430 newton to the piston of a syringe the piston has an area of 547 x 10-5 m2 find the
the heating element of an electric oven is designed to produce 39kw of heat when connected to a 240-v source what
the sound level measured in a room by a boy watching a movie on a home theater system varies from 45 db during a quiet
a boy stands at a point 260 meter in front of the face of a sheer cliff if the boy shouts find how much time will
1 how much work does the electric field do in moving a proton from a point with a potential of 175v to a point where it
geologist is camped 6474 meter about 4 miles from a volcano as it eruptsa find how much time elapses before the
the coefficient of static friction among the floor of a truck and a box resting on it is 030 the truck is traveling at