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a bullet leaves the muzzle of a gun at a speed of 400ms thelength of the gun barrel is 050m assuming the bullet was
over a time interval of 189 years thevelocity of a planet orbiting a distant star reverses direction changing from 200
a child holds a candy bar 100 cm in front of a convex mirrorand notices that the image is only one-half the size of the
the picture below represents the crests of water waves spreading out from a periodic disturbance in a pond the phase
jack and jill ran up a hill at 34 ms the horizontal component of jills velocity vector was 25 ms what was theangle of
a child holds a candy bar 100 cm in front of a convex mirror andnotices that the image is only one-half the size of the
a rifle is aimed at a target that is 55m away the bullet hits the target 15cm below the aim point1 what was the bullets
two converging lenses each of focal length 150 cm are placed400 cm apart and an object is placed 300 cm in front of the
a system consisting of one positively charged particle and onenegatively charged particle is altered by an outside
starting from rest several toy cars roll down ramps with differing lengths and angles rank them by their speed to the
the dipole moment of a water molecule in liquid water is 62times10minus30 cmiddotm and the effective diameter of a
a spherical conducting shell has 12 microcoulombs of positive charge on it the radii of the shell are rinner12 cm and
a particle with charge of 4 microcoloumbs is at the origin another identical particle is placed 2 m from the origin on
the longest recorded pass in an nfl game traveled 83 yards in theair from the quarterback to the receiver assuming that
the warranty on a new tire says that an automobile can travel for adistance of 96 000 km before the tire wears out the
the earth orbits the sun once a year 316 x 107 s in a nearlycircular orbit of radius 150 x 1011 m with respect to the
a string weed trimmer utilizes a length of nylon string thatrotates about an axis perpendicular to one end of the
an archer shoots a 20x10-2 kg arrow at a target with a speed of 50 ms when it hits a target it penetrates to a depth of
an empty capacitor is connected to a 240 v battery andcharged up the capacitor is then disconnected from the batteryand
a person walks into a room that has on opposite walls two planemirrors producing multiple images when the person is 500
in the electron gun pictured a potential differenceof 109 kv is found to bringelectrons from rest at the cathode to 62
a positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged
the three charges in the figure below are at the vertices of an is osceles triangle let q 100 nc and calculate the
the left ventricle of the heart accelerates blood from rest to avelocity of 21cmsa if the displacement of the blood
when a tuning fork of frequency 500 hz is held above a tube resonances are found when the water level is at distances