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question1the starter motor of a car engine draws a current of 126 a from the battery the copper wire to the motor is 6 mm in diameter and 118 m long
question1assume we added some constant to the total energy of the system for instance say that instead of the potential energy being 0 joules when
questiona cockroach of mass m lies on the rim of a uniform disk of mass 5 m that can rotate freely about its center like a merry-go-round firstly the
question1the pulley of an ideal atwoods machine is given an upward acceleration a find out an acceleration of each mass and the tension in the string
questiona solenoidal coil with 24 turns of wire is wound tightly around another coil with 350 turns the inner solenoid is 250long and has a diameter
question1the barrels of the 16-in guns bore diameter 16 in 41 cm on the world war ii battleship uss massachusetts were each 15 m long the shells
question1a bus travels 330 km south along a straight path with an average velocity of 84 kmh to the south the bus stops for 22 min then it travels
question1a backpack full of books weighing 530 rests on a table in a physics laboratory classroom a spring with a force constant of 140 is attached
question1as standing at the edge of the roof of a building you throw a stone upward with an initial speed of 787 ms the stone then falls to the
questiona white billiard ball with mass mw 132 kg is moving directly to the right with a speed of v 292 ms and collides elastically with black
question1as a fish jumps vertically out of water suppose that only two significant forces act on it an upward force f exerted by the tail fin and
question1the elastic energy stored in your tendons can contribute up to 35 of your energy needs when running sports scientists have studied the
question1a frictionless pulley has the form of a uniform solid disk of mass 400 and radius 230 a 180 stone is attached to a very light wire that is
question1a traffic light weighing 120 x 102 n hangs from a vertical cable tied to two other cables that are fastened to a support the upper cables
question1a car travelling at 110 rm kmh strikes a tree the front end of the car compresses and the driver comes to rest after travelling 075 rm mwhat
question1the pilot of the aircraft wishes to fly due west in a 485 kmh wind blowing toward the south the speed of an aircraft in the absence of a
question1a hunter aims straight at a target on the same level 130 m awaya if the bullet leaves the gun at a speed of 230 ms by how much will it miss
question1how much 235u is consumed per year in gy to produce sufficient electricity to continuously run a 100-w light bulb how much coal in gy would
question1a piece of wire with mass per unit length 78 runs horizontally at right angles to a horizontal magnetic field a 65 current in the wire
question1a blocks slides all along a track that descends through distance h the track is frictionless except for the lower section there block slides
question1find out the normal force for a laundry basket with a mass of 34 kg in each of the following situationsa at rest on a horizontal surfaceb at
questiona rectangular loop has 85 turns with an area of 0225 m2 and lies in a uniform magnetic field of 028 t several physics lab students have
question1a small immersion heater can be used to heat a cup of water for coffee or tea if the heater can heat 180ml from 27 c to 94c in 12 min
question1a long solenoid with 70 turns of wire per centimeter carries a current of 016 the wire that makes up solenoid is wrapped around a solid core
question1if you drop a rock from a height of 71 m it accelerates at g and strikes ground 120374 s laterif you drop the similar rock from half that