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a block of mass m1 kg is released from top of an inclinethe block slides down the plane and attains a final speed of 6
one cue your hearing system uses to localize a sound is the slight difference in the arrival times of the sound at year
a hot air balloon is traveling vertically upward at a constantspeed of 500 ms when it is 210 meters above the ground a
two spheres are cut from a certain uniform rock one has radius450 cm the mass of the second sphere is five times
a 70 kg crate is dragged across a floor by pulling on a ropeattached to the crate and inclined 19deg above the
two capacitors have the same plate separation but one has squareplates and the other has circular plates the square
the rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides there
a car is hauling a 89-kg trailer to whichit is connected by a spring the spring constant is 2150 nm the car accelerates
a 500-kg projectile is fired at angle of 300 degrees above the horizontal with an initial speed of 120 ms from the top
a uniform electric field of magnitude 300 vm is directed in the positive x direction a 100 microc charge moves from the
a 595kg object is thrown 1810ms at a 3000deg angle andcollides head-on at its peak with a 145kg object fired at280deg
a cannon fires a 7120 kg projectile at 3675deg theprojectile lands in a cart that is on the same level surface as
what happened to the light bulb that did not happen to any other device hint did you feel the light bulb do you think
a baseball player leads off the game and hits a long home run theball leaves the bat at an angle of 30 degrees from
a light-rail train going from one station to the next on a straight section of track accelerates from rest at 12 ms2
a skier leaves the horizontal end of the ramp with a velocity of 25ms and lands 70 meters from the base of the ramp how
a rifle is fired horizontally the buillet is found to havetraveled 200 meters the rifle barrel is 190 meters from
a model airplane of mass 75 kg is flying at constant speed in ahorizontal circle at one end of a 30m cord and at a
a proton accelerates from rest in a uniform electric field of 640nc at some later time its speed is 120 x 10e6 msa find
an electron is accelerated by a constant electric field of magnitude 300nca find the acceleration of the electronb use
the hot-water needs of a household are met by a 75-l electric water heater whose heaters are rated at 16 kw the hot
a small glass bead hasbeen charged to 500 nc a metal ball bearing 180 cm above thebead feels a 160times10-2 n
the moon has a period of 273 days and a mean distance of 390x105km from the center of earth ause keplers laws to find
a plastic rod that hasbeen charged to -14 nc touches a metal sphere afterward the rods charge is-60 nc what kind of
consider a very long solid insulating cylinder with radius a and with positive net charge 2q inside a conductor