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a negative particle with charge-q and massm orbits an infinitely long positive line of charge having qllambda the
the electric field is defined as the coulomb force per unit charge explain why the magnetic field cannot be defined as
a railroad car of mass 251 104 kilogram is moving with a speed of 380 ms it collides and couples with three other
the angle of refraction of a ray of light traveling through an ice cube is 35 degree evaluate the angle of
an ac generator consists of 8 turns of wire in a loop or coil the cross-sectional area of the loop is a009 m2 with a
a string can be tapered as in a bullwhip stretch it between two posts and calculate how much it sages assuming the
a ball attached to a string starts at rest and undergoes a constant angular acceleration as it travels in a horizontal
a wheel originally rotating at 126 rads undergoes a constant angular deceleration of 500rads2 find its angular speed
a loudspeaker sounds a 600 hz tone find what is the difference in the wavelength of the sound waves produced in air at
a thin uniform rod is rotating at an angular velocity of90 rads regarding an axis that is perpendicular to the rod at
the amount of heat that an engine discards to the cold reservoir is 2 times the amount of work that it does evaluate
my friend invented a new dog leash called the x-r leash it is made of a top secret material that exerts a force of fx
evaluate the momentum of an electron moving with each of the subsequent speedsa 0014cnbspkg bull msb 054cnbspkg bull
a solid disk rotates in the horizontal plane at an angular velocity of 0038 rads with respect to an axis perpendicular
decide the drift velocity of electrons in a 5-m long gold wire that carries a current of i 10 a if the wire is at a
the main of a transformer has 100 turns and its secondary has200 turns if the power input to the primary is 100w we can
the average intensity of sunlight reaching the earth is 1390 w m2 a charge of 30010-8 c is placed in the path of this
a magnetic field is directed perpendicular to the plane of a 015-m times 030-m rectangular coil consisting of 240 loops
what phase difference among two otherwise identical travelling waves moving in the similar direction along a stretched
a small insect viewed through a convex lens is 15 cm from the lens and appears three times its actual size what is the
after landing on an unfamiliar planet a space explorer constructs a simple pendulum of length 520 cm the explorer finds
two diffraction gratings a and b are located at the similar distance from the observation screens light with the same
assume blue light lambda 500 nm is used to decide the position of an electron to within the wavelength of the light
a 30 kg box rests at the top of 30 degree incline before it is released the top of the incline is 50 m above the floora
a 100-kg box starts at rest and slides 35 m down a ramp inclined at an angle of 30o by the horizontal if there is