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a thin film of water sits on top of a flat piece of glass and light is incident from below see the subsequent figure if
assume light with a wavelength of 465nm in a vacuum is incident upon fused quartz which has an index of refraction of
a 80-kg monkey climbs a uniform ladder with weight w 137102 n and length l 350 m as shown in the figure below the
a uniform disk with a mass of 800 g and a radius of 170 cm is rotating on frictionless bearings with an angular speed
light rays from a distant point source are incident perpendicular to the flat side of a semicircular glass plate of
two long straight parallel wires carry the similar current in te same direction a use both the right-hand source and
assume you are stopped in your car at a traffic light and an ambulance approaches you from behind with a speed of 12 ms
a block of a certain material begins to slide on an inclined plane when the plane is inclined to an angle theta 571deg
1 a hot-air balloon achieves its buoyant lift with heating the air inside the balloon which makes it less dense than
a circuit breaker is rated for a current of 15a rms at a voltage of 120v rmsa what is the largest value of peak current
a 150-kg block slides across ice and comes to a stop in 1250m1 coefficient of kinetic friction among ice and block is
an engineer is designing a spring to be placed at the bottom of an elevator shaft if the elevator cable must happen to
a horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axle during
a man holds a double-sided spherical mirror therefore that he is looking directly into its convex surface 55 cm from
a soccer ball is kicked at an angle of 30 degrees by the flat ground and at an initial speed of 50fts neglecting wind
1 how many carbon-14 nuclei decay per second in a 70-kgperson assuming that the persons body contains 12 of carbon and
oxygen in the lungs in the lungs the respiratory membrane separates tiny sacs of air pressure100x105pa from the blood
an ice dancer with her arms stretched out starts into a spin by an angular velocity of 200 rads her moment of inertia
a string with a masslength of 000200 kgm is stretched between two points by a tension of 120 nnbsp if the fundamental
a 16muc point charge and a -4muc point charge are separated with 3m how far from the 16muc point charge along the line
a coin is located 220 cm to the left of a converging lens f 160 cm a second identical lens is placed to the right of
project seafarer was an ambitious program to construct an enormous antenna buried underground on a site about 10000 km2
two radioactive nuclei a and b are present in equal numbers to begin with three days later there are 299 times as many
an astronaut on the moon fires a projectile from a launcher on a level surface so as to obtain the maximum range if the
1 which of the following will create a magnetic field choose all that applya neutron that is speeding up from 1000 ms