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a satellite is in an elliptical orbit at altitudes rangingfrom 230 to 890 km at the high point its moving at 723 kms
suppose that when you ride on your 810-kgbike the weight of you and the bike is supported equally by the twotires if
a point source of light is submerged 23 m below the surface of a lake and emits raysin all directions on the surface of
1 a 3-kg mass has an acceleration of 40i - 30j ms2 only two forces act on the mass if one of the forces is 20i - 14jn
a 522 kg pole-vaulter fallsfrom rest from a height of 48 m onto a foam-rubber pad thepole-vaulter comes to rest 036 s
an horizontal force of 30 n is being applied to a 5 kg block causing it to accelerate up a frictionless surface which
an electron with kinetic energy 36 kev moves horizontally into aregion of space in which there is a downward-directed
a golfer strikes a ball from the origin with an initial speed of 30 ms and at an angle 33 degrees from the horizontal
a charged belt 60 cm widetravels at 40 ms between asource of charge and a sphere the belt carries charge into thesphere
how many time constants must elapse for an initially uncharged capacitor in an rc series circuit to be charged to 98
friction provides the force needed for a car to travel arounda flat circular racetrack what is the maximum speed at
the international space station launched in november 1998makes 1565 revolutions around the earth each day in a
why is the sum of the measured ac voltage across each element in the series rlc circuit not equal to the voltage
a stone with a mass of 0700 rm kg is attached to one end of astring 0700 rm m long the string will breakif its tension
water density 100 x 103 kgm3 flows at100 ms through a pipe with radius 0030 m the pipe goes upto the second floor of
two particles each have a mass of 60 times 10-3 kg one has a charge of 50 times 10-6 c and the other has a charge of
ruby lases at a wavelength of 555 nm acertain ruby crystal has 400 multiplied by 1019 cr ions which are the atomsthat
a rotating door is made from four rectangular sections themass of each section is 72 kg aperson pushes on the outer
a female gymnast weighs 700 nifshe is hanging stationary from a high bar how many forces are acting on
a horizontalforce of 190 n is applied toa stationary wooden box in one direction and a 700 n horizontal force is
the primary coil of a step-up transformer is connected across the therminals of a standard wall socket and resistor 1
a fisherman is reeling in afish in 90 s he winds 35 m of fishing line onto a reel whoseradius is 23 cm assumed to be
ip how fast would a motorist have to betraveling for a yellow lambda 590 nm traffic light to appeargreen lambda 550
a baseball is being caught its speed goes from 90 to 0 kmhr in about 0005 s its mass is 0150 kga what is the baseballs
a goodyear blimp typically contains 5980 m3 ofhelium he at an absolute pressure of 110 x 105 pathe temperature of the