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a horizontal force of magnitude f 149 n is used to push a box of mass m 5 kg from rest a distance d 13 m up a
an electromagnetic wave in a vacuum has a maximum magnetic field amplitude of 567times107 ta what is the maximum
copper pennies weighing 25 g have been placed in boiling water at 100 degree celsius an insulated cup holds 100 g of
after placing the iron 0750 kg in the fire and shaping it it is still at 200 c he puts the piece in 8 l bucket of water
an initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not
a centrifuge is a device in which a small container of material is rotated at a high speed on a circular path such a
halleys comet which passes around the sun every 76 years has an elliptical orbit when closest to the sun perihelion it
a spiders web can undergo shm when a fly lands on it and displaces the web for simplicity assume that a web obeys
a small birds wings can undergo a maximum displacement amplitude of 500 cm distance from the tip of the wing to the
a small device based on the confinement of a proton in a 1 dimensional box is found to have a ground ie n 1 level
an anchor made of cast iron of bulk modulus 600 times 109 pa and of volume 0230 m3 is lowered over the side of the ship
starting from rest a boulder rolls down a hill with constant acceleration and travels 400 during the first second how
a discus thrower with arm length of 12 m starts from rest and begins to rotate counterclockwise with an angular
a centrifuge in a medical laboratory rotates at an angular speed of 3750 rpm revolutions per minute when switched off
a muon is formed high in the earths atmosphere and travels at a speed 09 c with respect to the earth it travels for 20
two students are on a balcony 214 m above the street one student throws a ball vertically downward at 133 ms at the
in the final part of its life cycle a particular rotating spherical star expands to four times its normal diameter
a 574-kg skateboarder starts out with a speed of 204 ms he does 104 j of work on himself by pushing with his feet
bob and ray push on a door from opposite sides they both push perpendicular to the door bob pushes 063 m from the door
john and joan walk in opposite directions around a circular path starting from the same point the path has a radius of
a pulsar is a rapidly rotating neutron star the crab pulsar is located in the crab nebula in the constellation taurus
a car starts a race from rest on a circular track and has a tangential speed of 43 ms at the end of the third lap the
a person stands on the edge of a cliff she throws three identical rocks with the same speed rock x is thrown vertically
a solid cylinder of mass m 259 kg is released from rest at the top of an incline of height h 199 m and rolls without
an ultracentrifuge having a diameter of 163 cm produces an extremely large acceleration of 441e5 ms2 a 251 g sample is