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a cd has a playing time of 532 min when the music starts the cd is rotating at an angular speed of 504 rpm at the end
a 14 kilogram box is sliding up a ramp that is elevated at an angle of 15 degree above the horizontal the coefficient
1 a 300 gram mass moving at 75 cms eastward collides with a 500 gram mass moving at 50 cms westward on a horizontal low
a flywheel turns through 36 rev as it slows from an angular speed of 48 rads to a stopa suppose a constant angular
in the high jump frans kinetic energy is transformed into gravitational potential energy without the aid of a pole find
a 222 kilogram youngster descends a slide 41 meter high and reaches the bottom with a speed of 18 ms find how much
a ferris wheel 300 meter in diameter rotates once every 180 seconda find the ratio of a man apparent weight to her real
you know your mass is 69 kilogram but when you stand on a bathroom scale in an elevator it says your mass is 79
use the bohr theory formulas to determinea determine the kinetic energy andb determine the potential energy of an
a block of mass 3 kilogram is pushed against a wall by a force perpendicular to the wall it is fond that a minimum of
an oil drop of mass 33picogram 1 pg 10-15nbspkg hangs suspended between two large horizontal metal plates which are 10
a person is riding a bike the wheels of a bike have an angular velocity of 205 rads then the brakes are applied
a block is projected with a speed of 30 ms on a horizontal surface if the coefficient of kinetic friction between the
a pump lifts 200 kilogram of water per hour a height of 50 meter find the minimum necessary power output rating of the
in loading a fish delivery van a man pushes a block of ice up a 16o incline at constant speed the push is 165 newton in
as a science fair project you want to launch an 800 gram model rocket straight up and hit a horizontally moving target
a ball thrown horizontally at 20 ms travels a horizontal distance of 52 meter before hitting the ground determine from
a boat takes 4 h to travel 30 kilometer down a river then 8 h to return evaluate how fast is the river
a spring of negligible mass has force constant k 1600 nma find how far must the spring be compressed for 350 joule of
find the speed of light observed coming from a star if the star is moving toward us at half the speed of lightfind the
you have a single 60 watt bulb on in your room define how does the overall resistance of your room electric circuit
find the linear speed that the bottom of the test tube must have in a centrifuge if the centripetal acceleration there
two blocks are connected by a string the smooth inclined surface makes an angle of 41o with the horizontal and the
a man is lifting a 210 newton object his spine and back are a uniform rod of weight at 320 newton the erector spinals
a 0027 kilogram bullet is fired vertically at 235 ms into a 015 kilogram baseball that is initially at rest find how