A block of mass 50kg is pushed 20m along a
A block of mass 50kg is pushed 20m along a frictionlesssurface by a constant horizontal force of 60N
What is the net work done on the block?
The work done on the block by the support force?
The change in kinetic energy of the block?
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consider a ski lift of length 50 km assume it takes about 60 min for a gondola to travel all the wayup if there are 12
a race driver has made a pit stop to refuel after refuelinghe leaves the pit area with an acceleration whose magnitude
you are standing on the edge of a turntable with frictionless bearings it is initially rotating when you catch a ball
a satellite has a mass of 99kg and is located at20x106m above the surface of eartha what is the potential energy
a block of mass 50kg is pushed 20m along a frictionlesssurface by a constant horizontal force of 60nwhat is the net
a spherical mirror is polished on both sides when used as a convexmirror the magnification is 17 what is the
an elevator is moving downward but has a constand upwardacceleration of a35ms2 at a moment when the elevator speed is
the inner and outer surfaces of a cell membrane carry a negativeand positive charge respectively because of these
a 33 rpm phonograph record reaches its rated speed 18 s after it is turned on what was the angular
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