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an 8855 kg person is half way up a uniform ladder of length 3135 m and mass 2017 kg that is leaning against a wall the
a uniform rectangular 8725 kg refrigerator with height h 2089 m and width w 1115 m is pushed at a constant velocity
a light ray in air is incident on a water surface at an angle of 277 with respect to the normal to the surface
a uniform disc of radius 30 cm and mass 12 kg is pivoted so that it is free to rotate about an axis through its center
a horizontal spring is lying on a frictionless surface one end of the spring is attaches to a wall while the other end
a 1 1650 kg car traveling initially with a speed of 25000 ms in an easterly direction crashes into the back of a 9 1000
a plank 200 cm thick and 149 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the
the only force acting on a particle is conservative force if the particle is at point a the potential energy of the
this demonstration is more complicated because it involves a vector for a rotating wheel the direction of the angular
a heavy mass in free fall does not fall faster than a light mass the extra weight is compensated for by extra
the period of a satellite at an altitude of 200 km above the surfce of the earth is 20 hours what is the period of a
newtons second law could be stated either as or as force equals time rate of change of linear momentum for simple
close a door by pushing on the doorknob close the door again using approximately the same force but applying it 5
a rope under a tension of 90n and fixed at both ends oscillates in a second-harmonic standing wave pattern the
a spring is hung from the ceiling a 0531 -kg block is then attached to the free end of the spring when released from
a 150m long ramp is inclined at 20 degree to the horizontal a solid ball is released from rest at the top of the
a heavy-duty stapling gun uses a 0131-kg metal rod that rams against the staple to eject it the rod is pushed by a
the bolts on the cylinder head of an engine require tightening to a torque of 92 mmiddotn if a wrench is l 30 cm long
a 610 m length of insulated copper wire is wound to form a solenoid of radius 22 cm the copper wire has a radius of 047
a 66 trampoline artist jumps vertcally upward from the top of a platform with a speed of 54 a what is his speed as he
a thin film of oil n 126 is located on smooth wet pavement when viewed from a direction perpendicular to the pavement
a 66 kg trampoline artist jumps vertcally upward from the top of a platform with a speed of 54 ms a what is his speed
an artificial lens is implanted in a persons eye to replace a diseased lens the distance between the artificial lens
a 109-kg horizontal platform is a uniform disk of radius 169 m and can rotate about the vertical axis through its
light of wavelength 0519 microm in air enters the water in a swimming pool the speed of light in water is 0700 times