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while exploring a cave a spelunker starts at the entrance and moves the following distances 750 m north 250 m east 170
an opaque container is 15 cm deep it contains only a single coin when looking into the container at a viewing angle of
a bird watcher meanders during the woods walking 050 km due east 075 km due south and 215 km in the direction 350deg
a small can is hanging from the ceiling a rifle is aimed directly at the can as the figure illustrates at the instant
the wave length of an electromagnetic wave is gauged to be 300mgt what is the frequency of the wavenbsp what type of em
starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 360 ms
a particle known as a pion lives for a short time before breaking apart into other particles assume it is moving at a
a 567 cm long straight section of wire is located entirely inside a uniform magnetic field of b 0210 t the wire is
a gun tilted upward at 41 degrees above the horizontal fires a bullet by a speed of 216 ms the bullet travels as a
at the end of a factory production line boxes start from rest and slide down a 35o ramp 48 m long if the slide is to
a parallel-plate vacuum capacitor has 920 j of energy stored in it the separation among the plates is 290 mm if the
a ball thrown vertically upward is caught with the thrower after 200sa discover the initial velocity of the ballb
a small mailbag is released from a helicopter that is descending steadily at 150 msa after 200 s what is the speed of
a 350 n beam of uniform density is hinged on a wall a 200 n object hangs off the end of the beam at a distance l from
1 a 1kg ball with velocity 20ms bounces perpendicularly off a wall so it has the similar speed afterward if the average
the coefficient of static friction among the floor of a truck and a box resting on it is 026 the truck is travelling at
the density of matter in interstellar space is approx one electron and one proton per cubic centimetrenbsp what is the
it is possible to shoot an arrow at a speed as high as 119 msa if friction is neglected how high would a narrow
a ball is thrown vertically upward by a speed of 100 msa how high does it riseb how long does it take to reach its
a noisy machine in a factory produces sound by a level of 80 dbnbsp how many identical machines could you add to the
at rest a cars horn sounds the note a 440 hz the horn is sounded while the car is moving down the street a bicyclist
two masses are on a frictionless horizontal surface moving by 2 perpendicular directions m1m amp m23m after the
a worker uses a pulley system to raise a 240kg carton 165 m a force of 129 n is exerted and the rope is pulled 330m1
a ball of mass 0640 kg moving east x direction with a speed of 320 ms collides head-on by a 0480 kg ball at rest if the
white light strikes a diffraction grating 890 linesmm at normal incidencenbsp what is the highest order visible maximum