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a wooden block of mass m 9 kg starts from rest on an inclined plane sloped at an angle from the horizontal the block
a kangaroo jumps vertical into the air and returns to the ground 200s later how high did the kangaroo
a particle has a charge of 23 c and moves from point a to point b a distance of 012 m the particle experiences a
usain bolt the fastest man in the world stands at the beginning of an infinite flight of stairs waiting for a nearby
two cars starting from rest begin thier trips to a mutual meeting point at the same time car a travels true east and
two 30 g spheres are suspended by 110 cm long light strings a uniform electric field is applied in the x direction if
charge moving perpendicularly to an electric an electron has a kinetic energy equal to 2e-16 j moves horizontally into
a swimmer capable of swimming at a speed of 144 ms in still water ie the swimmer can swim with a speed of 144 ms
a bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 ms at the end of the ramp in
the press box at a baseball park is 400 above the ground a reporter in the press box looks at an angle of 120 below the
a nonconducting solid sphere of radius 101 cm has a uniform volume charge density the magnitude of the electric field
a 38-cm-diameter circle lies in the xy-plane in a region where the electric field is e1600i 1600j 1600k ncwhat is the
two 34 charges are attached to the opposite ends of a spring of spring constant 150 and equilibrium length 50 by how
a rocket is fired at a speed of 660 ms from ground level at an angle of 530 deg above the horizontal the rocket is
you are designing an elevator for a hospital the force exerted on a passenger by the floor of the elevator is not to
a fire hose ejects a stream of water at an angle of 358 deg above the horizontal the water leaves the nozzle with a
in diving to a depth of 133 m an elephant seal also moves 664 m due east of his starting point what is the magnitude of
a world-class sprinter accelerates to his maximum speed in 42s he then maintains this speed for the remainder of a
a green ball is thrown vertically downward to the ground with an initial speed of 5ms at time t 0 from a vertical
visible light passes through a diffraction grating that has 900 slits per centimeter and the interference pattern is
a ball is thrown vertically upward with an initial speed of 10ms from the top of a building at a height of 25m from the
a ball rolls horizontally off the edge of a tabletop that is 120 m high it strikes the floor at a point 163 m
a golfer hits a shot to a green that is elevated 320 m above the point where the ball is struck the ball leaves the
a tennis ball is struck and departs from the racket horizontally with a speed of 282 ms the ball hits the court at a
a truck covers 400 m in 715 s while uniformly slowing down to a final velocity of 145 msa find the trucks original