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a wave travels on a string at 60ms a second string of 20 percent greater linear density has the same tension applied as
in 1987 marisa canofoglia of italy roller-skated at a record setting speed of 403kmh if the magnitude of canofoglias
norma the astronaut is on a 100m lifeline outside a spaceship circling the ship with an angular speed of 0100 rads how
when a charged particle moves at an angle of 161 degree with respect to a magnetic field it experiences a magnetic
a plane flies from base camp to lake a 280 km in the direction 200 degrees north of east after dropping off supplies it
a toy cannon uses a spring to project a 580 g projectile the spring is originally compressed with 800 cm and has a
a stone is thrown at an angle of 30 above the horizontal from the top edge of a cliff by an initial speed of 12 ms a
a cable used to lift heavy materials like steel i-beams must be strong enough to resist breaking even under a load
1 what is the percent change in momentum of a proton that accelerates from 049c to 090cnbsp2 what is the percent change
a 45 kilogram skater rounds a 50 meter radius turn at 63msa find the horizontal and vertical forces ice exerts on
two small plastic balls hang from threads 1m long of negligible mass each ball has a mass of 009 g and equal charges
a rifle fires a bullet horizontally on level ground just as the bullet leaves the rifle the rifle falls to the ground
a simple generator id designed to operate in the outback of australia the square armature consists of windings that are
a truck is traveling at a speed of 294 ms along a level road a crate is resting on the bed of the truck and the
an arrow of mass 20 g is shot horizontally into a bale of hay striking the hay with a velocity of 60 ms it penetrates a
a skier is gliding along at 30 ms on horizontal frictionless snow he abruptly starts down a 12degincline his speed at
a 435 kilogram ball is dropped from the roof of a building 1702 m high while the ball is falling to earth a horizontal
a popular earring design features a circular piece of gold of diameter d with a circular cut out of diameter d as shown
a vertical steel beam in a building supports a load ofnbsp50nbspx 104nbspnewtonanbspif the length of the beam is 4
a 500 gram rubber ball is dropped from a height of 10 meter and under goes a perfectly elastic collision with the
a car weighing 7200 newton moves along a level highway with a speed of 61 kmh the power of the engine at this speed is
a world war i cannon mounted on a railcar and set therefore that it will project a shell at an angle of 30o above the
imagine you are sent in a satellite above eartha obtain how far above the surface of the earth would you lose 12 of
the angular acceleration of a wheel is alpha 6t4-4t2nbspwith alpha in radianss2 andnbsptnbspin seconds at