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an object of mass 2 kg increases in speed from 2ms to 4ms in 3 sec calculate the total work performed on the object
a projectile is launched with a initial velocity of magnitude a at a angle b to the horizontal find its maximum
a mass m hangs from a cable tied to two other cables connected to a support the upper cables make angles theta1 and
a plane accelerates from rest at a constant rate of 500 ms along a runway that is 1800 mnbsp long assume that the plane
middle schoolers are having a rocket competition one of their rockets launches and ascends directly upward with a
a person drops an object from a bridge spanning a rushing river falling a distance h before hitting the water
when the pressure applied to an unknown liquid is increased from 10x107 nm2 to 55x107 nm2 the volume of the liquid
charge causes flux a point charge causes anelectric flux of -370nmiddotm2c to pass through a spherical gaussiansurface
at a particular moment in kaylas skydive her acceleration is 16 meterssec2 at this particular moment has she opened
suppose that a projectile which is subject to a linear resistive force is thrown vertically down with a speed vyo which
an artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is
a cube of wood having an edge dimension of 200 cm and a density of 650 kgm3 floats on watera what is the distance from
after 35 minutes of running at the 9km points in a 10km race you find yourself 100 m behind the leader and moving at
consider a skydiver who has stepped from a helicopter and is falling through air before she reaches terminal speed and
a wooden block of volume 524 3 1024 m3 floats in water and a small steel object of mass m is placed on top of the block
a 1 012-kg satellite orbits the earth at a constant altitude of 93-kma how much energy must be added to the system to
a tennis player hit a ball 20 m above the ground the ballleaves his racquet with a speed of 20ms and an angle of
a man of mass m kg lying on a surface of negligible friction shoves a stone of mass m kg away from himself giving it a
the accommodation limits for nearsighted nicks eyes are 180 cm and 800 cm when he wears his glasses he is able to see
a pebble is released from rest at a certain height and falls freely reaching an impact speed of 2 ms at the floor next
a circular-motion addict of mass 90 kg rides a ferris wheel around in a verticalcircle of radius 10 m at a constant
the back wall of an auditorium is 310 m from the stage if you are seated inthe middle row how much time elapses between
a charge of 160 microc is at the center of a cube of edge 850 cm noother charges are nearbya find the total flux
a small ball with mass m is attached to a string which goes over a pulley and makes a small angle swing the length of