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q1 an 920 n sled is pulled a distance of 197 m the task requires 120 104 j of work and is completed through pulling on a rope with a force of 125 n
q1 what fraction of the power radiated by the sun is intercepted by the planet mercury the radius of mercury is 244 x 106 m and its distance from the
q1 consider a 30kg ball and a 54kg ball in free fallwhat is the net force performing on eachwhat is the acceleration of eachq2 two identical cannons
q1 a planet of mass 400 1025 kg is in a circular orbit of radius 300 1011 m around a star the star exerts a force on the planet of constant magnitude
q1 a coiled telephone cord forms a spiral with 56 turns a diameter of 130 cm and an unstretched length of 600 cm determine the self-inductance of one
q1 james is scheduled for a job interview with ms farrar he knows that she is in charge of selecting placing and evaluating employees for her firm
q1 using the equation fm v2r for a force an object in circular motion find the radius r of motion of a m16 kg ball travelling in a circular path
q1 a boat with a flat bottom and its cargo weigh 6000n the area of the boats bottom is 4m squared how far below the surface of the water is the boats
q1 a football spends a total of 5 seconds in the air it reaches a peak height of 30 meters how long does it take to reach its peak height the
q1 a 280 block on a 500 -long string swings in a circle on a horizontal frictionless table at 800what is the speed of the blockwhat is the tension in
q1 a person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator if the elevator accelerates upward at 32
q1 a 372 g bullet moving at 290 ms enters and stops in an initially stationary 330 kg wooden block on a horizontal frictionless surfacewhats the
q1 a sled and rider with a combined weight of 68 kg are at rest on the top of a hill 28 m high what is their total energy at the top of hillq2 a 550
q1 in a crash test a 1300 kg car slams into a concrete wall at 188 ms and comes to rest in 0275 s a find the magnitude of the impulse delivered to
q1 a roller coaster 305 kg moves from a 500 m above the ground to b 230 m above the ground two non conservative forces are present friction does -200
q1 kelli weighs 417 n and she is sitting on a playground swing that hangs 044 m above the ground her mom pulls the swing back and releases it when
q1 suppose a small metal ball of mass and negative charge the ball is released from rest at the point and constrained to move along the z axis with
q1 a person eats a dessert that contains 26o calories this skin temperature of this individual is 38 degrees celsius and that of her environment is
q1 how many 104 w lightbulbs can you use in a 102 v circuit without tripping a 17 a circuit breaker the bulbs are connected in parallel that means
q1 an iron bolt of mass 650 g hangs from a string 320 cm long the top end of the string is fixed without touching it the magnet attracts the bolt so
q1 a solid cylindrical disk has a radius of 014 m it is mounted to an axle that is perpendicular to the circular end of the disk at its center when a
q1 a 3kg baseball travelling at 48 ms approaches a waiting batter when the ball is hit its back sailing away at 80 ms conclude the magnitudes of its
q1 air is flowing through a rocket nozzle inside the rocket the air has a density of 525kgm3 and a speed of 12 ms the interior diameter of the rocket
q1 a toy train rolls around a horizontal 12--diameter track the coefficient of rolling friction is 015what is the magnitude of the trains angular
q1 after a tornado a 060 straw was found embedded 27 into the trunk of a tree if the average force exerted on the straw by the tree was 85 what was