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determine what velocity would a proton need to circle earth 1500 kilometer above the magnetic equator where earths
the current density inside a long solid cylindrical wire of radiusnbspanbsp 48 millimeter is in the direction of the
a common flashlight bulb is rated at 030 amp and 28 volt the values of the current and voltage under operating
a 040 kilogram ball is thrown with a speed of 90 ms at an upward angle of 33 degreea determine what is its speed at its
a find how far is the center of mass of the earth-moon system from the center of the earth appendix c gives the masses
a spring with k 59 nm hangs vertically next to a ruler the end of the spring is next to the 14 centimeter mark on the
there are two weights hanging from a pulley one on the ground 300 kilogram and one hanging 500 kilogram the height from
if our sun were fourteen times as massive as it is determine how many times faster or slower should the earth move in
a spring has a spring stiffness constant k of 430 nm find how much must this spring be stretched to store 50 joule of
in the high jump frans kinetic energy is transformed into gravitational potential energy without the aid of a pole
a box of mass 80 kilogram is accelerated from rest across a floor at a rate of 30 ms for 60 s estimate what is the net
a resistor is constructed of a carbon rod that has a uniform cross sectional area of 500 mm2 when a potential
two blocks are connected by a string the smooth inclined surface makes an angle of 39o with the horizontal and the
calculate the weight of an 82 kilogram astronaut on mars g 37 ms2calculate the weight of an 82 kilogram astronaut in
a man on a bridge throws a rock straight down toward the water the rock has just been released describe a free body
let two objects of identical mass m collide object one has initial velocity v directed to the right and object 2 is
the dielectric of a parallel plate capacitor is to be a slab of glass that completely fills the volume between the
a glider moves frictionlessly along a level air track tugged by a vertically suspended mass of 050 kilogram that is
a 35 turn coil of radius 52 centimeter rotates in a uniform magnetic field having a magnitude of 045 t if the coil
when a carpenter shuts off his circular saw the 100 inch diameter blade slows from 4550 rpm to zero in 300
the hubble space telescope with an objective diameter of 24 meter is viewing the moon find the minimum distance between
a 60 kilogram person stands on a scale inside of an elevator the elevator is accelerating upward at a speed of 22 ms2
a wrecking ball swings at the end of a 139 meter cable on a vertical circular arc the crane operator manages to give
you have landed on an unknown planet newtonia and want to know what objects will weigh there you find that when a
the mass needed to overcome the friction of the axle with just the platter alone is 104 gram the hanging mass used to