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a student m63 kg falls freely from rest and strikes the ground during the collision with the ground he comes to rest in
an extreme skier starting from rest coasts down a mountain slopethat makes an angle 250deg with the horizontal the
two astronauts on opposite ends of a space ship are comparing lunches one has an apple the other has an orange they
a 0520 kg block of wood hangs from the ceiling by a string and a 00700 kg wad of putty is thrown straight upward
a 600 kg box is resting on a table you push down onthe box with a force of 800 n what is the magnitude of thenormal
at its farthest point the three-point line is 724 metersaway from the basket in the nba a basketball player stands at
in the process of changing a flat tire a motorist uses a hydraulicjack she begins by applying a force of 45 n to the
a uniform board is leaning against a smooth vertical wall theboard is at an angle above the horizontal ground
a hoop and a disk both of 066- m radius and 40- kg massare released from the top of an inclined plane 31 m high and 89
one of james bonds adversaries is standing on a frozen lake there is no friction between his feet and the ice he
a machine shop has 120 equally noisy machines that together producean intensity level of db if the intensity level must
a 285 kg bucket is attached to a disk-shaped pulley of radius 0121 m and mass 0742 kg if the bucket is allowed to fall
1 a cart of weight 25 n is released at the top of an inclined plane of length 1m which makes an angle of 30deg with the
a charged belt 50 cm wide travels at 30 ms between a sourceof charge and a sphere the belt carries charge into the
an intense light source radiates uniformly inall directions at a distance of 52 rm m from the source the radiation
a rubber ball with a radius of 32 cm rolls along thehorizontal surface of a table with constant linear speed v whenthe
vector m has a magnitude of 469 ms and direction 383 east ofsouth what are the north and east components of this
despite what you see in science fiction movies we dont know how to make artificial gravity however we can make
two shuffleboard disks of equal mass one orange and the otheryellow are involved in an elastic glancing collision the
if kyle is flying a helicopter and it is raising at 50mswhen he releases the bag with time5 seconds how far below the
suppose a steel strut having a cross-sectional of area 400 10-4 m2 and length 280 m is bolted between two rigid
a 17-rm m-long vine hangs verticallyfrom a tree on one side of a 10-rm m-wide gorge as shown in thefigure tarzan runs
a uniform disk of radius r050m and mass m10kg is free to rotate about an axle through its center a mass m10kg is
an ideal fluid with density of 085 acute103 kgm3 flows at 70 ms through a levelpipe with a radius of 050 cm the
a straight 200-m 150-g wire carries a current in a region where the earths magnetic field is horizontal with a