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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
a 567 cm long straight section of wire is located entirely inside a uniform magnetic field of b 0210 t the wire is
at the end of a factory production line boxes start from rest and slide down a 35o ramp 48 m long if the slide is to
a parallel-plate vacuum capacitor has 920 j of energy stored in it the separation among the plates is 290 mm if the
a small mailbag is released from a helicopter that is descending steadily at 150 msa after 200 s what is the speed of
an automobile moves at constant speed down one hill and up another hill along a smoothly curved surface what will the
a vibrating tuning fork of freq 256 hz is held over the top of a vertical tube full of water the water is allowed to
an instrument utilized for measurement the depth of oceans sends ultrasonic signals to the bottom of the ocean the
a concave mirror and a plane mirror f 830 cm are facing each other and are separated by a distance of 230 cm an object
1 a 1kg ball with velocity 20ms bounces perpendicularly off a wall so it has the similar speed afterward if the average
a personrsquos face is 300 cm in front of a concave makeup mirror producing an upright image that is 135 times as large
a ball is thrown vertically upward with a speed of 100 msa how high does it riseb how long does it take to reach its