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a highway curve of radius 600m is designed for traffic moving at a speed of 850 kmhr what is the correct banking angle
an arrow is shot at an angle of above the horizontal the arrow hits a tree a horizontal distance away at the same
one way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a
a whistle of frequency 520 hz moves in a circle of radius 800 cm at an angular speed of 120 rads what are the lowest
a 50 kg rock climber accidentally falls from the side of a rock and freefalls until she is stopped by her 9 m saftey
a circular saw blade accelerates from rest to an angular speed of 3620 rpm in 63 revolutionsa find the torque exerted
point particle a with mass ma is moving in the positive x direction and collides with stationary point particle b with
the potential difference between two parallel conducting plates in vacuum is 165 v an alpha particle with mass of
an electron is moved from point a to point b in a uniform electric field and gains 528times10-15 j of electrostatic
in the path shown below the locations of a car driving around a track are shown at equal time intervals where t 20 s
two boats are heading away from shore boat 1 heads due north at a speed of 290 ms relative to the shore relative to
consider the following figure the four charges are at the corners of a square take q 108 microc and q 230 microca in
as you stand by a railroad track a train passes with its whistle blowing as it passes you hear a frequency shift
1 a 500 kg block is pulled from rest by a force of 10000 n at an angle of 370deg across a horizontal rough surface over
physics ii lenses two converging lenses each has focal length of 20 cm they are separated by a distance of 70 cm an
hanging from threads are two charged balls made of pith a very light spongy material that comes from inside the stems
a uniformly charged plastic disk has a radius of 0270 m at what distance from the center along the central
a steam catapult launches a jet aircraft from the aircraft carrier john c stennis giving it a speed of 175 mih in 250 s
a battleship simultaneously fires two shells toward two identical enemy ships one shell hits ship a which is close by
a heater coil connected to a 240-vrms ac line has a resistance of 45a what is the average power usedb what is the
1 one mole of an ideal gas at 25c and 1atm undergoes the following reversibly conducted cyclea an isothermal expansion
in this problem you will apply kinematic equations to a jumping flea take the magnitude of free-fall acceleration to be
suppose you design an apparatus in which a uniformly charged disk of radius r is to produce an electric field the field
helium gas at constant pressure of 16 atm expands in volume from 257 l to 863 l the temperature is held at 357 k