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1 a neutron star will be detected from earth as a pulsar by itsregular radio pulses only ifa earth lies within thepath
particles of charge 75 48 and - 85 are placed in alinethe center one is 035m microc from each of the otherscalculate
two very long solenoids have thesame length but solenoid a has 15 times the number of turns 14the radius and 7 times
the toroid shown in the figure hasa wire carrying a current i 900 amperes wrapped around it n 650times the inner radius
at serve a tennis player aims to hit the ball horizontally what minimum speed is required for the ball to clear the 09
a hunter aims directly at a target on the same level 75 mawaya if the bullet leaves the gun at a speed of 180 ms by
at a certain time a particle had a speed of 18ms in thepositive direction and 24 seconds later its speed was 30 ms
you pull downward with a force of 28 n on a rope that passes over adisk-shaped pulley of mass 12 kg and radius 0075 m
an archer pulls her bowstring back 0400 mby exerting a force that increases uniformly from zero to300 na what is the
a weight of 400 n is suspended from aspring that has a force constant of 190 nm the system is undamped and is
a a stars temperature is 4951 k accordingto the stefan-boltzmann law how much energy is radiated into spaceper second
a spring-loaded pellet gun is designed to fire 340 g projectiles horizontally at a speed of372 msa if the spring is
suppose a sphere thin hoop and a disk were all rolling along a horizontal surface with the same speed when they
a the temperature of an ideal monatomic gas increases by93 k while 3036 jof heat are added to the gas if the gas
at one point in the room the sound intensity is 35 10-16wm2 if you move twice the distance away find the sound
a helicopter stays aloft by pushing large quantities of air downward every second what mass of air must be pushed
a rod of mass m and length l is hanging from one end on africtionless axis we let the rod swing from an angle thetaat
a car moves from a point located 260 m from the origin and at anangle of 350 degrees from the x-axis to a point located
a guitar string 250 meters long has a mass ofnbsp 0458 grams if a tension of 276n is put on the string what will the
you try to remove olive oil from a glassby blowing across the top of a vertical straw immersed in theolive oil what is
find the magnitude of the net force on arigid square loop of wire of side length l 636 cm the center of the loop is
a block whose mass m is 680 kg is fastened to a spring whosespring constant k is 65 nm the block is pulled a distance x
the water skier is at an angle of 35o with respectto the center line of the boat and is being pulled at a constantspeed
the electron beam in a cathode-ray tube is accelerated through apotential difference of 290 v the electrons then pass
the earth orbits the sun once a year 316 x 107 s in a nearlycircular orbit of radius 150 x 1011 m with respect to the