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a pretend comet has an orbital period of 120 years and an orbital eccentricity of 095 1 what is the comets average
1 a spring 12 cm long is used to support a 18 kg mass producing a strain of 01 what distance does the spring stretch
calculate the force exerted on the earth by the atmosphere if atmospheric pressure is 147 lbin2 and the surface area
an object is placed in a fluid and then released assume that the object either floats to the surface settling so that
light with a wavelength of 338 nm is passed through a diffraction grating with 793 slitscm find the angle at which
what is the approximate kinetic energy of an olympic athlete when running at maximum speed during a 100m
a 9150kg railroad car travels alone on a level frictionless track with a constant speed of 130ms a 4100kg load
using sophisticated analysis tools you detemined that the rock that fell on the roof of your car gave an age of 16
if a curve with a radius of 60m is properly banked for a car traveling 60kmh what must the coefficient of friction
a thin flashlight beam traveling in air strikes a glass plate at an angle of 52 degree with the plane of the surface of
an archer shoots an arrow with a velocity of 45 meter per second at an angle of 50 degree with the horizontal an
a rifle is aimed horizontally toward the center of a target 010 kilometer away but the bullet strikes 10 centimeter
the radar system at an airport broadcasts 11 ghz microwaves with 150 kw of power an approaching airplane with a 35 m2
an electron moves with a speed of 80 times 106 meter per second along the x-axis when the electron passes through the
suppose that a 7 centimeter diameter 120 watt light bulb radiates all its energy as a single wavelength of visible
a 14 amp current is charging a 060 centimeter diameter parallel-plate capacitora find the magnetic field strength at a
a 190 mw laser pulse is focused with a lens to a diameter of 25 metera find the laser beams electric field amplitude at
a circular coil of wire has a diameter of 20 centimeter and contains 10 loops the current in each loop is 3 amp and the
a vertical straight wire carrying an upward 12 amp current exerts an attractive force per unit length of 94 x 10-4 nm
a supply plane needs to drop a package of food to scientists working on a glacier in greenland the plane flies 50 meter
two 011 gram pith balls are suspended from the equal point by threads 50 centimeter long when the balls are given equal
a charge q 174 x 10-8 c is surrounded by an equipotential surface with a surface area of 125 m2 obtain what is the
a particle with a mass of 20 x 10-5 kilogram and a charge of 25 muc is released in a parallel plate uniform horizontal
an electron is to be accelerated in a uniform electric field having a strength of 160 x 106 vma find what energy in kev
a snow maker at a resort pumps 140 kilogram of lake water per minute and sprays it into the air above a ski run the