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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
an rc circuit hooked up to a battery as shown in the figure box with epsilon to a capacitor with resistance and an
the wave function for a harmonic wave on a string isdxt 003 m sin 22 m-1x ndash 35 s-1twhat is the maximum speed of
a spring is 170 cm long when it is lying on a table one end is then attached to a hook and the other end is pulled by a
a magnetic field of 0436 t and a perpendicular electric field of 554 kvm act on a moving electron to produce no net
a mono energetic beam of electrons me 911 x 10-31 kg whose kinetic energy is 120 ev is incident on a single slit of
a cessna aircraft has a lift-off speed of 120 kmha how long does it take the aircraft to become airborneb what minimum
a what angle in radians is subtended with an arc 140 m in length on the circumference of a circle of radius 230 mwhat
a singly charged positive ion has a mass of 320 multiplied by 10-26 kg after being accelerated from rest through a
a vertical cylinder of cross-sectional area 0050m2 is fitted with a tight-fitting frictionless piston of mass 50 kg if
a 61 g red super ball traveling 13 ms east has an elastic collision with a 66 g blue super ball traveling 10 ms west
a subatomic particle moves through the laboratory at 085 laboratory experimenters gauge its lifetime from creation to
for the pressure-depth relationship for a fluid p rhogh which of the following is assumed select all that applythe
a pipe open at both ends has a fundamental frequency of 300 hz when the temperature is 0degca what is the length of the