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at the same instant that you fire a bullet horizontally from agun you drop a bullet from the height of the barrel if
a ship moves 102km dueeast and then 59km due north what are the magnitude and the direction of the resultant
a speed boat starts from rest and accelarates at 201ms2for 7 seconds at the end of this time the boat continues foran
a mountain climber jumps a 297 m wide crevasse byleaping horizontally with a speed of 811 ms if the climbersdirection
an electron is moving in a concentric circular orbit inside asolenoid of radius 489 cm in such a manner that it
a 12000 lb truck is southbound on the guadalupe street whenit enters the intersection with the mlk boulevard its
a proton moves in the xy-plane through a uniform magnetic field b200tx the protons velocity is 400x104 ms at an angleof
a jellyfish is floating in a water filled aquarium 100 m behind a flat pane of glass 600 cm thick having an index of
a block of mass 120 kg slides fromrest down a frictionless 400deg inclineand is stopped by a strong spring with k
a bat flies toward a moth at speed 815 ms while the moth isflying toward the bat at speed 506 ms the bat emits a sound
the noise level in an empty examination hall is 40 db when 100physics students are writing an exam the sounds of heavy
a coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy
a piano tuner hears one beat every 216 s when trying to adjust twostrings one of which is sounding 443 hz so that they
a parallel-plate capacitor has circular plates of 680 cm radius and 140 mm separationa calculate the capacitanceb what
the outside mirror on the passenger side of a car is convex and hasa focal length of -76 m relative to thismirror a
when a ceiling fan rotating with an angular speed of 275 rads is turned off a friction torque of 0120 nm slows it to a
a285-kg bucket is attached to a disk-shaped pulley of radius 0121m and mass 0742 kg if the bucket is allowed to fall a
an object is 13 cm in front of a convex mirror whose focal length magnitude is 9 cm what is the magnitude of the
in a diffraction grating experiment lambda 590 nm and the numberof lines per mm in the grating is n 100 how many
a -600 microc charge is moving with a speed of 780104 ms parallel to a very long straightwire the wire is 500 cm from
a helicopter lifts a 81 kg astronaut 17 m vertically from the ocean by means of a cable the acceleration of the
when a 220-kg object is hungvertically on a certain light spring described by hookes law thes pring stretches 311 cma
at one position and time the magnetic field of an em wave invacuum is 100 mt right and its electric filed is 30
a square coil and a rectangular coil are each made from the same length of wire each contains a single turn the long
a linearly-polarized em wave moving in vacuum perpendicular to aperfectly reflecting surface has an intensity of