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a screen is placed 510 cm from a single slit which is illuminated by light of wavelength 681 nm if the distance among
the drawing shows two thermometers a and b whose temperatures are measured in dega and degb the ice and boiling points
an object is placed 700 cm in front of a concave mirror the radius of curvature of the mirror is 2000 cm where is the
a rigid container of nitrogen gas n2 at 24deg c contains 440 l at a pressure of 35 atm if 266 kj of heat are added to
a room is lighted with four 100 w incandescent light bulbs the power of 100 w is the rate at which a bulb changes
a person in a boat sees a fish in the water of index 133 at an angle of 30relative to the waterrsquos surface what is
a rocket ship is 450 m long according to measurements made in its rest frame and moves at 0385c by respect to the earth
a cylinder radius 011 m center-of-mass rotational inertia 0015555 kgmiddotm2 and mass 134 kg starts from rest and
the suspension system of a 2400 kg automobile sags 11 cm when the chassis is placed on it also the oscillation
an unstable high-energy particle is created in the laboratory and it moves at a speed of 0950crelative to a stationary
potassium has a work function of 221evnbspwhat is the maximum kinetic energy of electrons escaping from a sample of
a current-carrying wire of length 50cm is positioned perpendicular to a uniform magnetic fieldnbsp if the current is
a capacitor is connected across the terminals of an ac generator that has a frequency of 440 hz and supplies a voltage
when does the capacitor have its maximum charge14 cycle before the voltage reaches its maximum value the capacitors
a tarantula is sitting 45m in front of a concave spherical mirror with radius of r 14ma construct a ray diagram to
a rigid container of nitrogen gas n2 at 31deg c contains 407 l at a pressure of 35 atm if 266 kj of heat are added to
the platter of a record player by a mass of 05 kg and radius 012 m is spinning with an angular speed of 5 rads the
the tower of doom at glitch gardens in denver colorado lifts15 people 50m into the air the engineers assume the average
a proton is located at a distance of 0420 m from a point charge of 830 micro coulombs the repulsive electric force
a wavelength of light 625 nm passes during a single slit with a width of 0320mm and forms a diffraction pattern on a
near the surface of the earth a car is traveling at 15 ms on a horizontal road the brakes are applied and the car skids
some cordless telephones utilize radio waves with a frequency near 900 mhz to transmit to their base station what is
a grating has 787 lines per centimetre find the angles of the first three principle maxima above the central fringe
radar is utilized to scan for airplanes near an airport if an airplane is 13 km from the airport what is the round-trip
a ball have a mass of 005 kg its attached to a string of a 15m we make it turn in a circular way with a velocity of 80