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a 25 kilogram kid on a play ground swing moves with a speed of 45 ms when the 30 meter long swing is at its lowest
a 120 kilogram crate is pulled across the floor with a constant force of 500 newton that is applied at an angle of 25o
a shopper in a supermarket pushes a loaded cart with a horizontal force of 8 newton the cart has a mass of 35 kilograma
a boat moves through the water with two forces acting on it one is a 1700 newton forward push by the water on the
a 43 gram bullet leaves the muzzle of a rifle with a speed of 336 ms determine what force is exerted on the bullet
a 80 kilogram object undergoes an acceleration of 27 ms2a find the magnitude of the resultant force acting on itb if
how high will a 20 kilogram rock go if it is thrown straight up by a person who does100 joule of work on
a 300 kilogram block is lifted 25 meter vertically with acceleration of 20ms2 by a single cable compute the followinga
a ball is thrown vertically upward with a speed of 231 ms from a height of 21 metera find how long does it take to
your groceries are in a bag with paper handles the handles will tear off if a force greater than 55 n is applied to
two particles are fixed to an x axis particle 1 of charge-299 x 10-7 c is at the origin and particle 2 of charge299 x
a charged belt 50 centimeter wide travels at 30 ms between a source of charge and sphere the belt carries charge into
a student throws a set of keys vertically upward to her sorority sister who is in a window 410 meter above the keys are
an object is on a hill at an angle it is pushed down the hill which has coefficients of friction uk it slides down the
a 50 diameter merry-go-round is initially turning with a 40 second period it slows down and stops in 20 seconda before
a light-year is the distance light travels in one year at speed2998x108ms1 find how many meters are there in 100 light
a 500 gram model rocket is on a cart that is rolling to the right at a speed of 30 ms the rocket engine when it is
a man pulls a toboggan for a distance of 400 meter along the snow with a rope directed 200 degree above the snow the
a 05 kilogram wheel which has a moment of inertia of 003 kg m2 is turning at 30 revsfind what is the wheel angular
a force of 132 newton pulls horizontally on a 14 kilogram block that slides on a rough horizontal surface this block is
yang can focus on objects 150 centimeter away with a relaxed eye with a full accommodation she can focus on objects 20
four 60 kilogram spheres are placed at the corners of a square of side 054 meter find the magnitude and direction of
a 495 gram model rocket is on a cart that is rolling to the right at a speed of 277 ms the rocket engine when it is
a ball is thrown from an upper story window of a building the ball is thrown with an initial velocity of 100 ms at an
two blocks of masses m1 and m2 approach each other on a horizontal table with the same constant speed v0 as measured by