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a 10cm10cm10cm block of steel rho steel 7900kgm3 is suspended from a spring scale the scale is in nektons1 what is the
the measure pressure at the bottom of a cylinder of liquid is 070 atm the liquid is poured into another cylinder by
a 237kg roller coaster starts at rest from the top of a 405m hill and goes during a circular loop of radius 169m what
a uniform cylindrical pop soda can of mass 0140 kg is 120 cm tall and filled by 131kg of pop soda small holes are
a hunter aims directly at a target on the same level 137 m away if the bullet leaves the gun at a speed of 271 ms by
what is the drag force exerted on a runner running at a 7minmi pace 383 ms on a day with no wind suppose a coefficient
consider a hydrogen atom in a magnetic field sketch the possible transitions among the n 3 l 2 and n 2 and l 1
a magnetic field of 0436 t and a perpendicular electric field of554 kvm act on a moving electron to produce no net
a 10uf capacitor with an initial stored energy of 050j is discharged during a 10m ohm resistora what is the intial
a 013 kg meter stick is held perpendicular to a wall by a 30 m string going from the wall to the far end of the sticka
a diver shines an underwater searchlight at the surface of a pond n 133 at what angle relative to the surface will the
a light ray is incident on the surface of water n 133 at an angle of 60deg relative to the normal to the surface the
starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 360 ms
a loop antenna of area 200 cm2 and resistance 503 microomega is perpendicular to a uniform magnetic field of magnitude
what is the change in voltage along a 25 m long jumper lead made from 20 mm diameter copper if it is carrying a current
a sinusoidal wave travels in the positive x direction with amplitude of 150 cm a wavelength of 400 cm and a frequency
an object at rest explodes into three pieces two of them are equal in mass and break off at an angle of 887deg to each
a diffraction grating is made up of slits of width 310 nm with a 930 nm separation between centers the grating is
a block of mass 737 kg in outer space is moving at 182 ms by no external forces acting on it after an explosion the
three identical 6 kg cubes are place in a horizontal frictionless surface in contact with one another the cubes are
while exploring a cave a spelunker starts at the entrance and moves the following distances 750 m north 250 m east 170
a diffraction grating 135 mm wide has 5270 rulingsa compute the distance d between adjacent rulingsb at what angle will
a small can is hanging from the ceiling a rifle is aimed directly at the can as the figure illustrates at the instant
suppose that the earth is a uniform sphere and that its path around the sun is circular1 compute the kinetic energy
a gun tilted upward at 41 degrees above the horizontal fires a bullet with a speed of 216 ms the bullet travels as a