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a newly planted tree is supported against the wind by a rope tied to a stake in the ground as shown in the figure below
a tree is growing at the edge of a pond the top of the treeis seen reflected 75m from the base of the tree and 15m from
an object is 13 cm in front of a convex mirror whose focallength magnitude is 9cm and the magnitude of the distance is
a water is ejected from a garden hose of radius 107 cm at a speed of 531ms find the flow rate through the hoselitersb a
estimate the total pathlength traveled by a deuteron in the syslotron of sample problem28-5 during the entire
a ball moving at 13 ms makes an off-center elastic collision withanother ball of equal mass that is initially at rest
a block with mass m 500 kg slides down a surfaceinclined 369 to the horizontal see figure below the coefficientof
a 4 kg object moving at 17 ms in the positive x direction has aone-dimensional elastic collision with an object
a horizontal board weighing 2320 nis supported at points a and b in the figure below the plankserves as a platform for
the plane of a rectangular coil 60 cm by90 cm is perpendicular to the directionof a magnetic field vector b if the
the intensity of a particular earth quake wave is measured to be90106 jm2middots at adistance of 49 km from the sourcea
a single pane window is 25mm thick it measures 12 m by 25mnbspnbsp one side of the window is 25 o c and the other side
two vehicles a amp 13 are traveling west and south respectivelytoward the same direction where they collide and lock
suppose the skateboarder shown in the drawing reaches a height of230 m above the right side of the semicircular ramp he
an sub with a mass of 1800 kg is traveling eastbound at 17 mswhile a compact car with mass of 900 kg is traveling
a ball is thrown upward with an initial velocity of 96 ftsecfrom the top of a 100 ft buildinga what equation models the
a recently developed method to study brain function is to produce arapidly changing magnetic field within the brain
a bit of computer memory is some physical object that can be in two different states often interpreted as 0 and 1 a
a 15 kg cannon ball is firedfrom a cannon with muzzle speed of 867 ms at an angle of513 withthe horizontal the
the magnitudes of the four displacement vectors shown in the drawing are a 150 m b 100 m c 140 m and d 250 m
a uniform ion beam of radius r consists if n ions per meter ofmass m speed v and charge q find the lorentz force due
a disk of radius r and uniform surface charge density sigma liesin the xy plane with its axis coinciding with the z
on a banked race track the smallest circular path on which cars can move has a radius of 119 m while the largest has a
determine the force required to push a 1000kg stoneblock up the side of the pyramid along a ramp the ramp has anangle
a 110kg linebacker tackles an 85kg halfback immediately before the collision the linebacker is slipping with a velocity