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a passenger walks from one side of a ferry to the other as it approaches a dock passengers velocity is 150 ms due north
a box contains about 50 1021 hydrogen atoms at room temperature 21degc determine the thermal energy of these
one of the fastest recorded pitches in major-league baseball thrown by tim lincecum in 2009 was clocked at 1010 mih see
what is the magnitude of the electric field produced by a charge of magnitude 640muc at a distance ofa 100m andb
an alaskan rescue plane drops a package of emergency rations to stranded hikers as shown in the figure the plane is
when two identical ions are separated by a distance of 63times1010m the electrostatic force each exerts on the other
a 50c charge experiences a 047-n force in the positive y directionif this charge is replaced with a - 27rm - mu rmc
an object of height 5 cm is placed 30 cm in front of spherical concave mirror if the image is real and 10 cm high what
a football is thrown horizontally with an initial velocity of 148 msx ignoring air resistance the average acceleration
freight trains can produce only relatively small acceleration and decelerationsa what is the final velocity of a
the treasure map in the figure gives the following directions to the buried treasure start at the old oak tree walk due
the so-called hydrogen alpha ha line is a specific wavelength of red light caused by excited atomic hydrogen it is
a relief airplane is delivering a food package to a group of people stranded on a very small island the island is too
the sound of a truck horn observed when the truck is stationary is 440 hz a drunk is sitting in the middle of the road
an express subway train passes through an underground station it enters at t 0 with an initial velocity of 215 ms and
at the end of a race a runner decelerates from a velocity of 800 ms at a rate of 0300 ms2a how far does she travel in
sound waves travel through an aluminum bar at a speed of 1400 ms if the frequency of the sound wave is 1000 hz what is
a swimmer bounces straight up from a diving board and falls feet first into a pool she starts with a velocity of 300 ms
charges of 30 nc -20 nc -70 nc and 10 nc are contained inside a rectangular box with length 10 m width 20 m and height
a a light-rail commuter train accelerates at a rate of 115 ms2 how long does it take it to reach its top speed of 800
a dive bomber has a velocity of 230 ms at an angle theta below the horizontal when the altitude of the aircraft is 215
eq dxt 24sin060xcos42t where x and d are in cm and t is in seca what is the distance between nodesb give the amp
you are setting up two standing string waves you have a length of uniform piano wire that is 30 m long and has a mass
a model rocket blasts off and moves upward with an acceleration of 13ms2 until it reaches a height of 27m at which
a 940 10-3 kg bullet is fired horizontally into a 264-kg wooden block attached to one end of a massless horizontal