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a small plastic ball of mass 944 times 10-3 kg and charge 0181c is suspended from an insulating thread and hangs
two charges are placed between the plates of a parallel plate capacitor one charge is q1 and the other is q2 512c the
an electric field of 130000 nc points due west at a certain spot what is the magnitude of the force that acts on a
water has a mass per mole of 180 gmol and each water molecule h2o has 10 electronsa how many electrons are there in 648
a plate carries a charge of -2 c while a rod carries a charge of 350 c how many electrons must be transferred from the
a car of mass 1200kg traveling at 550kmhr enters a banked turn covered with ice the road is banked at an angle and
a ball of mass 05 kg moves with a velocity 17 0 0 ms it strikes a ball of mass 1 kg that is initially at rest after the
you tie a cord to a pail of water and you swing the pail in a vertical circle of radius 0600m what minimum speed must
two isotopes of carbon carbon-12 and carbon-13 have masses of 1993 times 10-27 kg and 2159 times 10-27 kg respectively
an object is moving with a constant velocity v12i4j for 5 seconds it then moves with a constant velocity of v2-3i2j for
a model rocket with mass 162 kg starts from rest on the ground and accelerates upward with engine force 458 n from
a magnetic field has a magnitude of 00011 t and an electric field has a magnitude of 44 times 103 nc both fields point
a 1000 kg cannon is pointed at 30 degrees to the horizontal its muzzle speed is 300 ms it fires a ball mass 5 kg at
to push a 620-kg crate up a frictionless incline angled at 270deg to the horizontal a worker exerts a force of 408 n
a cannon has a mass 1000 kg its muzzle speed 300 ms it fires a ball mass 5 kg horizontally to the right what will be
a fisherman reels in 150 m of line while landing a fish using a constant forward pull of 300 n how much work does the
two long straight wires are separated by a distance of 143 cm one wire carries a current of 294 a the other carries a
a ball is attached to a center post by a string that is 0481 m long the ball is moving in a circle on a frictionless
a mass m 63 kg hangs on the end of a massless rope l 198 m long the pendulum is held horizontal and released from
find the magnitude of the total force of the traction apparatus applied to the leg assuming 20deg the weight of the
a sledge loaded with bricks has a total mass of 174 kg and is pulled at constant speed by a rope inclined at 210deg
april moon set a record in flight shooting in 1981 in utah she sent an arrow a horizontal distance of 950 m what was
two tugboats pull a disabled supertanker each tug exerts a constant force of 190times106 n one at an angle 170 degrees
the magnetic field produced by the solenoid in a magnetic resonance imaging mri system designed for measurements on
a boat has a mass of 4710 kg its engines generate a drive force of 3610 n due west while the wind exerts a force of 900