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an ac generator has 70 rectangular loops on its armature and total resistance of 9 ohms each loop is 12 cm long and 7
use the worked example above to help you solve this problem a woman weighs a fish with a spring scale attached to the
a solid ball and a hollow ball each with a mass of 2 kg and radius of 01 m start from rest and roll down a ramp of
in an amusement park ride cars are suspended from l 422 m cables attached to rotating arms at a distance of d 608 m
a rope is used to pull a 357 kg block at constant speed 358 m along a horizontal floor the force on the block from the
the pixel coordinates of the two ends of a ruler on your digital photograph are xtop 951 xbottom 943 and ytop 7
two guns aimed at 10 degrees above the horizontal are fired at the same time bullet a travels at twice the speed of
king arthurs knights fire a cannon from the top of the castlewall the cannonball is fired at a speed of 54 ms and at an
a rope attached to a 150kg wood sled pulls the sled up a 200 degree snow-covered hill a 130kg wood box rides on top of
a vertical cylinder with a heavy piston contains air at 320 k the initial pressure is 335x105 pa and the initial volume
a 110-mol sample of hydrogen gas is heated at constant pressure from 304 k to 422 ka calculate the energy transferred
in a constant-volume process 201 j of energy is transferred by heat to 097 mol of an ideal monatomic gas initially at
a how many atoms of helium gas fill a spherical balloon of diameter 306 cm at 220degc and 100 atmb what is the average
the sun transfers enegry to the earth by radiation at a rate of approximately 100kw per square meter of surface if this
a spacecraft is in orbit around a planet the radius of the orbit is 31 times the radius of the planet which is r 71455
can you please help me in reaching her destination a backpacker walks with an average velocity of 137ms due west this
during normal operation a computers hard disk spins at 5400 rpm if it takes the hard disk 84 s to reach this angular
a 0700-kg ball is on the end of a rope that is 240 m in length the ball and rope are attached to a pole and the entire
a model rocket is fired vertically from rest it has a net acceleration of 185 ms2 after 13 s its fuel is exhausted and
the initial speed of a cannon ball is 020 kms if the ball is to strike a target that is at a horizontal distance of 30
an elevator cable winds on a drum of radius 800 cm that is connected to a motora if the elevator is moving down at 060
an object is placed at a distance of 28 cm from a thin convex lens the lens has a focal length of 9 cm what are the
a circular wire loop of area 018m squared carries a current of 4 a the coil lies in a horizontal plane with the current
a 20 micro f capacitor is connected to a 60 v battery and becomes fully charged the battery is removed and a slab of
if a 50 ohm toaster is connected in parallel to two 120 w bulbs and 120 v is applied across the light bulbstoaster