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you are sitting in a wagon and rolling horizontally at 5 ms when your little sister jumps into your lap as you pass by
a beam of light in air strikes the surface of a smooth piece of plastic having an index of refraction of 155 at an
light in air is incident perpendicularly on a sheet of crown glass having an index of refraction of 1522 determine both
a horizontal force of 50 n pushes a box that weighs 75 n across the floor at a constant speed the coefficient of
in a stunt scene for a new action movie a motorcyclist will take off horizontally from the top of one building travel
a small solid ball of mass m and radius r rolls without slipping on the track whose height y as a function of
a charge q 750 uc is located in en electric field the x- and y-components of the field are ex 600 x 103 nc and ey 800
the human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside
an earthquake generates three kinds of waves surface waves l waves which are the slowest and weakest shear s waves
find the speed an alpha particle requires to come within 26 times 1014 m of a gold nucleus coulombs constant is 899
a solid sphere rolling without slipping on a rough horizontal surface with a linear speed 21ms collides elastically
q1 a man is stationary and he observes that the rain is striking him at 60 from the horizantal when he starts moving
the mariana trench is located in the pacific ocean at a depth of about 11 000 m below the surface of the water the
neutron stars consist only of neutrons and have unbelievably high densities a typical mass and radius for a neutron
a cylindrical storage tank has a radius of 120 m when filled to a height of 399 m it holds 13800 kg of a liquid
steam moves into the cylinder of a steam engine at a constant pressure and does 9650 j of work on a piston the diameter
a beam of electrons traveling with speed 08 x108 ms passes through a slit of width 10-5 m because of the uncertainty in
light of wavelength 530 102 nm passes through a slit of width 0230 mma find the width of the central maximum on a
the binding energy of an electron in a crystal lattice is 12 x10-4 ev use the uncertainty relation to estimate the size
two 120kg lead spheres are suspended from 170m -long massless cables the tops of the cables have been carefully
while the microphone is inside the tube it may be at the center or close to the wall how would it affect the
monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10-10 s the light the emerges
a can of sardines is made to move along an x axis from x 046 m to x 120 m by a force with a magnitude given by f