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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
an image of a 5 centimeter tall object is formed on a screen 20 centimeter away from a thin lens the image is 2
a pendulum consists of a compact 40 kilogram bob attached to a string of length 16 m a block with mass m1 rests on a
a horizontal rod with a length of 0210 meter is mounted on a balance and carries a current at the location of the rod a
the force that a professional boxers fist exerts on his opponents head is equivalent to being hit with a 59kg bowling
an empty 1390 kilogram vehicle has its cm230 meter behind the front of the car obtain how far from the front of the car
a 628 kilogram canoeist stands in the middle of her canoe the canoe is 36 meter long and the end that is closest to
the angular position of a point on the rim of a rotating wheel is given by theta 4t-3t2t3 where theta is in radians
a ball is fired with an initial speed of 40 ms at an angle of 30 degree above the horizontala determine what is the
a child throws a ball straight up with an initial speed of 10msa estimate the maximum height above the child hand that
a uniform horizontal bar of length l 30 meter and weight 124 newton is pinned to a vertical wall and supported by a
a 205 newton weight is held in the outstretched hand of a person with a shoulder-to-elbow length of 250 centimeter and
an electron in the beam of a tv picture tube is accelerated by a potential difference of 204 kv then it passes through
in a head on collision a car of mass 110 x 103 kilogram going northward at 250 ms collides with a car of mass 150 x 103
a disk-shaped merry-go-round of radius 273 meter and mass 165 kilogram rotates freely with an angular speed of 0621
the force constant of a spring is 500 nm and the unscratched length is 064 meter a 16 kilogram block is suspended from