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at a construction site a 230 bucket of concrete is connected over a very light frictionless pulley to a 310 box on the
a 26 g bullet strikes and becomes embedded in a 110 kg block of wood placed on a horizontal surface just in front of
four identical masses of 32 kg each are located at the corners of a square with 11 m sides what is the net force on any
two thin positively charged rods are placed along the x-axis and y-axis each rod is 300m in length and is a distance
a 10-kg mass is projected vertically upward from ground level with an initial speed of 45 ms the mass rises to a
a plane polarized em wave propagates through a polymer such waves obey a similar wave equation to that found for free
tarzan has a mass of 750 kg and is swinging on a vine that is 800 meters long what is the maximum speed at which he can
the magnetic field of a plane-polarized electromagnetic wave is given by b1210-6 sin2pi z240 ndash t1078 in si units
the coherent green light of wavelength 650 nm illuminates two narrow slits in a screen the slits are separated by 008
two small plastic spheres each have a mass of 20 g and a charge of -500 nc they are placed 20 cm apartwhat is the
suppose that the rod is held at rest horizontally and then released throughout the remainder of this problem your
the mass of a certain planet is 693times1023 kg and its radius is 1111 km what is the acceleration due to gravity on
planet x is 307 times more massive than earth and its radius is 108 times earths radius how many times more would you
a 134g baseball moving 286 strikes a stationary 520kg brick resting on small rollers so it moves without significant
our closest stellar neighbor alfa-centauri is 43 light years awayit has been suggested that tv programs from our
a thin film of acetone is floated on a thick glass plate plane light waves of variable wavelengths are incident normal
an electric fan is running on high after fan has been running for 10 minutes the low button is pushed the fan slows
a cart starts from rest at the top of the tilted track assume the track is frictionless the cart passes photogate a
as we discussed in class most of the refraction in your eye happens at the surface of your cornea n 1376 use this idea
a 731-kn car is travelling at 599 mph when the driver decides to exit the freeway by going up a ramp after coasting 376
radio waves are diffracted by large objects such as buildings whereas light is not noticeably diffracted by large
on an old-fashioned rotating piano stool a woman sits holding a pair of dumbbells at a distance of 0605m from the axis
calculate moment of inertia of a 4x4 square tilted so that it looks like a diamond with a centroid line going through
the electron and proton of a hydrogen atom are separated on the average by a distance of approximately 53 x10-11 m find