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a cylindrical storage tank has a radius of 111 m when filled to a height of 381 m it holds 15301 kg of a liquid
a log splitter uses a pump with hydraulic oil to push a piston which is attached to a chisel the pump can generate a
neutron stars consist only of neutrons and have unbelievably high densities a typical mass and radius for a neutron
1 estimate at what temprature copper will have the same resistivity as tungsten does at 20 degrees celsius2 a 100 w
consider a simple model for the interior of the earth there is a spherical iron core with constant mass density 0 and
a 100 cm long 12 mm diameter steel guitar string must be tightened to a tension of 1700 n by turning the tuning screws
a 30 m tall 54 cm diameter concrete column supports a 190000 kg load by how much is the column compressed assume youngs
a thin spherical shell has a radius of 180 m an applied torque of 1060 n m imparts to the shell an angular acceleration
a flywheel rotates with an angular speed of 22 revs as it is brought to rest with a constant acceleration it turns 46
a transformer operating from 79 v rms supplies a 183 v lighting system for a garden eight lights each rated 25 w are
the density of a 239-m long rod can be described by the linear density function x 107 gm 119x gm2 one end of the rod
light of wavelength 700 nm is incident on the face of a fused quartz prism n 1458 at 700 nm at an incidence angle of
a soccer ball is kicked with an initial speed of 30 ms at an angle of 25 degrees with respect to the horizontal find
when cruising at 75 mph on a highway a cars engine develops 45 hp the cars engine has a thermodynamic efficiency of 25
a 0030 kg lead bullet hits a steel plate both initially at 20c the bullet melts and splatters on impact assume that 80
a light ray is incident upon a plane interface between two materials the ray makes an incident angle with the normal to
cliff and will support the board at each end so that it is horizontal a 51 kg boulder is placed on a 200 m long board
a person starts from rest at the top of a large frictionless spherical surface and slides into the water below at what
a wire with a length of 16 m and a mass of 062 kg is in a region of space with a magnetic field of 071 t what is the
a spring of force constant 205 nm and unstretched length 0260 m is stretched by two forces pulling in opposite
to stretch a certain spring by 270 cm from its equilibrium position requires 700 j of work what was the maximum force
a particle travels 19 times around a 10-cm radius circle in 36 seconds what is the average speed in ms of the
a sledge loaded with bricks has a total mass of 175 kg and is pulled at constant speed by a rope inclined at 203deg
a block hangs from the ceiling by a massless rope a second block is attached to the first block and hangs below it on