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an object at rest explodes into three pieces two of them are equal in mass and break off at an angle of 887deg to each
a block of mass 737 kg in outer space is moving at 182 ms by no external forces acting on it after an explosion the
a diffraction grating is made up of slits of width 310 nm with a930 nm separation among centers the grating is
a charged particle moves by a constant speed during a region where a uniform magnetic field is present if the magnetic
an electron in thomsons apparatus moves perpendicular to a b-field along a path of radius1215 cm if imposition of an
a 59 g bullet leaves the muzzle of a rifle by a speed of 330 ms what force assumed constant is exerted on the bullet
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