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a sphere with radius of 2 m is entirely immersed in water 1 find the buoyant force on the sphere by water 2 find the
two masses m1 800 kg and m2 100 kg are connected by a massless string which runs across a massless frictionless
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determine what normal force would be required to accelerate you upwards from ground level at a rate of 20
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a football is kicked from the ground at an angle of 60 degrees above the horizontal with an initial speed of 200 ms how
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a cantilever beam having stepped moment of inertia is subjected to a 4 kn load at the free end as shown in the figure
a spherical tank of diameter 12 m and wall thickness 50 mm contains compressed air at a pressure of 17 mpa the tank is
mark accidentally falls out of a helicopter that is traveling 15 msnbsphe plunges into a swimming pool 2 seconds
a net force of 10n acts on a 40-kg object initially at rest for 40 seconds what is the distance the object moves during
why is line absorption appropriate and what does it describe about the process that created the
the radius of a typical human eardrum is about 40 mm find the energy per second received by the eardrum when it listens
a bat moving with speed of 325 ms and emitting sound of 350 khz approaches a moth at rest on a tree trunka what
question 1 - a a planar waveguide has refractive indices n1 360 n2 330 and thickness d 750 mum if light of
discuss the appropriate circumstances for as well as the advantages and disadvantages of using more than one
turtles limousine service has determined that the number of kilometres each limousine travels each year is normally
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a study of the pay of corporate chief executive officers ceos examined the increase in cash compensation of the ceos
1 state whether the standardized test statistic t indicates that you should reject the null hypothesis explaina t2201b
a recent study of 280 people showed that between about 70 and 80 percent of americans over 60 do not have enough
a block of mass m2nbsp 50kg on a rough inclined surface is connected to a ball of mass m1nbspby a cord over a pulley