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a skateboarder shoots off a ramp with a velocity of 61 ms directed at an angle of 58degrees above the horizontal the
an air parcel occupied by an ideal gas t1 255 k v1 1500 m3 m1 1680 kg collides and mixes with a second air parcel
in a carnot cycle the area for each transformation corresponds to the following work a isothermal expansion 31165 j b
find the lower limit for the change in specific entropy of dry air at a given temperature and pressure which is allowed
calculate the change in internal energy when 1 mole of liquid water at 1atm and 100 degrees c is evaporated to water
water at 100 degrees is flowing through a long pipe of radius 1rapidly enough so that we may assume that the
treating the clouds as an ideal gas with adiabativ index gamma53 work out the relationship between the inital and final
a point particle with charge q 82 microc is placed at a corner of a cube of edge a 11 cm what is the flux through a
an air track glider undergoes a perfectly inelastic collision with an identical glider that is initially at rest what
given that the current natural abundance of u-235 is 72 atom-percent and neglecting u-234 content of uranium how long
a charge of -0510 micro coulombs exerts an upward 0210 newton force on an unknown charge that is 300m directly below it
a calculate the r-value of a thermal window made of two single panes of glass each 0100 in thick and separated by a
at high noon the sun delivers 1000 w to each square meter of a blacktop road if the hot asphalt transfers energy only
200-mol sample of helium gas initially at 300 k and 0500 atm is compressed isothermally to 200 atm noting that the
a beam of light is incident on a plane mirror at an angle of 32 degrees relative to the normal what is the angle
an automobile has a mass of 1500 kg and its aluminum brakes have an overall mass of 600 kg a assume all the mechanical
imagine a sphere of radius r filled with negative charge of uniform charge density the total charge is equivalent to
three positively charged particles are constrained to move on a fixed circular track if all charges were equal the
you have carefully prepared the wave function of an electron to be in the first energy eigenstate of an infinite
a block of mass m is initially at rest on a frictionless surface at time t 0 an increasing force given by f kt2 is
a man pushes a box of mass m with a force f using a stick ab of mass m and making a angle theta with the vertical the
the velocity v of waves on a vibrating string depends on the tension t in the string and the mass per unit length
a spelunker cave explorer drops a stone from rest into a hole the speed of sound is 343 ms in air and the sound of the
a rocket initially at rest on the ground accelerates straight upward from rest with constant acceleration 539 meters
a compound absorbs at 500 nm with a halfwidth of 500 cm-1 and maximum molar extinction of 4x104m-1 cm-1a what is the