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1 what imperfection in the operation of the eye causes farsightedness2 what type of lens is used to correct this3 what
after 600 kg of water at 700 oc is mixed in a perfect thermos with 300 kg of ice at 00 oc the mixture is allowed to
a horizontal light ray is incident on a plate glass prism where 285deg calculate the angle of deviation of the ray
the electron in a hydrogen atom makes a transition from the n 3 state to the n 2 state determine the linear momentum
a 130 cm length of string has a mass of 35 g it is stretched with a tension of 59 n between fixed supports a what is
a sinusoidal wave travels along a string the time for a particular point to move from maximum displacement to zero is
a wave has an angular frequency of 190 rads and a wavelength of 26 m calculate a the angular wave number and b the
a college student is working on her physics homework in her dorm room her room contains a total of gas molecules as she
a wheel radius 06 m is rolling on a horizontal surface with a center of mass acceleration of 07 ms2 if the force
a shop sign is suspended from a uniform pole fixed to a wall and supported by a cable the mass of the sign is 66 kg and
starting from rest at the top of a tall steep ramp a sphere rolls without slipping to the ground 69 m below at the
ultraviolet light of wavelength 2234 nm illuminates an aluminum surface and electrons are ejected a stopping potential
light of wavelength 571 nm incident on a pair of slits produces an interference pattern on a distant screen in which
two hockey players one of mass 10 kg and the other of mass 15kg are skating and collide and stick together the velocity
cannon fires a cannonball from the top of a wall at a speed of 3164 ms and an angle of 2825 degrees from the horizontal
a cube of solid steel has a volume of 101m3 at 214 deg celsius what temp change is required to produce a 104cm3
the length of a beam increases by 146mm when its temperature is raised from 4492oc to 905 oc what is the length of the
an iron bar of mass 081 kg slides down a frictionless incline 039 m high at the bottom of the incline it collides and
the sun is approximately a sphere of radius 6963 105 km at a mean distance a 1496 108 km from the earth the solar
a 320 piano slides 34 down a 33 incline and is kept from accelerating by a man who is pushing back on it parallel to
gas in a cylinder similar to the one shown in the figure moves a piston with area 0201 m2 as energy is slowly added to
a cord is attached to a cart that can slide along a frictionless horizontal rail aligned along an x-axis the left end
romeo takes a uniform 11 m ladder and leans it against the smooth wall of the capulet residence the ladders mass is 250
a large gate weighing 225 n is supported by hinges at the top and bottom of the wooden frame and is further supported
a large mirror is hung from a nail the supporting steel wire has a diameter of 020 mm and an unstretched length of 160