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the wind exerts on a flower the force 0755 n horizontally to the east the stem of the flower is 0450 m long and tilts
a child of mass 500 kg stands 200 m from the center of a horizontal circular disc of radius 400 m and mass 200 kg the
you are 320 m from a plane mirror holding a camera and you want to take a photograph of your image in the mirror to
a 769-kg satellite is in circular orbit around the earth and moving at a speed of 111 kms how much work must be done to
a 70 m3 incompressible box is completely submerged in a fluid what volume of fluid is displaced by the box if the fluid
a bullet is fired from a gun whose barrel is 0600 m long the bullets mass is 500 g and its velocity is 300ms when it
the drawing shows a person weight w 582 n l1 0841 m l2 0406 m doing push-ups find the normal force exerted by the
an unknown mass is placed on one side of the atwoods machine the downward acceleration of the mass 5kg is observed to
a spacecraft moving away from earth emits a 4346 hz signal a scientist on earth measures the signal to be 4344 hz what
a radio station with a power of 20 kw sends out an omnidirectional wave at 125 mhz if the electromagnetic wave has an
a ball with mass 1kg is dropped from a height of 6m the ball is caught by a person 2m above the grounda how much work
an underdamped spring-mass system consists of a spring with a force constant of 200 nm and a mass of 550 g it is
two masses are separated by 385m the mass of objects are 598kg and 735 kg how far is the center of mass of the
a 420-g bullet embeds itself in a 200-kg block which is attached to a horizontal spring with a force constant of 950 nm
a 57 kg rock with a volume of 36 l is completely submerged in water the density of water is 1 kgla what volume of water
in the picture below a 9 kg bar 15 m long is set up to rotate about its center the dark circle each arrow represents a
an rl circuit has a 5 ko resistor and a 1 mh inductor this circuit is driven by a 100 hz sine wave with 1 v amplitude
a quarter-pound hamburger with all the fixings has a mass 210g the food energy of the hamburger is 24mjwhat is the
three 150-v cells each with an internal resistance of 00500 are connected in series to form a battery with a current of
a sheet of glass is coated with a 500nm thick layer of oil n 142for what visible wavelengths of light do the
a cube of edge length 21 cm is positioned as shown in the figure below there is a uniform magnetic field throughout
an isolated capacitor of unknown capacitance has been charged to a potential difference of 100v when the charged
a man stands in the middle of a boat which is 41 m long and has a mass of 75 kg the end of the boat that is closest to
a car is traveling east at 14ms weighing 2000kg a car is traveling north at an unknown velocity and weighs 1500 kg upon
a block of mass 30 kg moves along a frictionless track which has a dip 07 m below the original level of the track and