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a 567 cm long straight section of wire is located entirely inside a uniform magnetic field of b 0210 t the wire is
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 small mailbag is released from a helicopter that is descending steadily at 150 msa after 200 s what is the speed of
an automobile moves at constant speed down one hill and up another hill along a smoothly curved surface what will the
a vibrating tuning fork of freq 256 hz is held over the top of a vertical tube full of water the water is allowed to
an instrument utilized for measurement the depth of oceans sends ultrasonic signals to the bottom of the ocean the
a concave mirror and a plane mirror f 830 cm are facing each other and are separated by a distance of 230 cm an object
1 a 1kg ball with velocity 20ms bounces perpendicularly off a wall so it has the similar speed afterward if the average
a personrsquos face is 300 cm in front of a concave makeup mirror producing an upright image that is 135 times as large
a ball is thrown vertically upward with a speed of 100 msa how high does it riseb how long does it take to reach its
the density of matter in interstellar space is approx one electron and one proton per cubic centimetrenbsp what is the
two astronauts one of mass 60 kg and the other 82 kg are initially at rest in outer space they then push each other
a certain freely falling object needs 175 s to trava certain freely falling object needs 175 s to travel the last 400 m
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
the coefficient of static friction among the floor of a truck and a box resting on it is 026 the truck is traveling at
two masses are on a frictionless horizontal surface moving with two perpendicular directions m1m and m23m after the
white light strikes a diffraction grating 890 linesmm at normal incidencenbsp what is the highest order visible
a ball of mass 0640 kg moving east x direction with a speed of 320 ms collides head-on with a 0480 kg ball at rest if
a 073-kg magnetic target is suspended on a string a 0025-kg magnetic dart shot horizontally strikes the target head-on
a singly charged positive ion has a mass of 320x10-26 kg after being accelerated from rest during a potential
a conductor suspended by two flexible wires as in the figure below has a mass per unit length of 00500 kgm what current
a small rock is found orbiting an asteroid at a distance of 150000 meters and with an orbital period of 12000 seconds
a car starts from rest and travels for 70 s with a uniform acceleration of 27 ms2the driver then applies the brakes