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a thin conducting copper rod of length l1 25m and cross sectional area a 32 x 10-4 m2 is placed between two
an infinite straight wire carries current i1 55 a in the positive y-direction as shown at time t 0 a conducting wire
1 rain is falling vertically downward as you drive your car through it why does it appear the rain is falling at an
suppose a stone is thrown from 450 m above the ground at anangle of 30o below the horizontal if it strikes the ground
given a penny moving at speed v slides off the horizontal surface of a coffee table a vertical distance y from the
in the following circuit r1 80 omega r2 30 omega c 90 muf and the emf of the ideal battery is initially unknown after
an infinitely long conducting cylindrical rod of radius173mm is surrounded by an infinitely long conducting cylindrical
1 a non-ideal battery is connected to a resistor r 58 omega in a complete circuit the batterys ideal emf is 120 volts
the information on a dvd is encoded via bits of information in hills and valleys and read with optical light which
a point charge of magnitude q is at the center of a cube with sides of length lpart a what is the electric flux phi
initially a particle is moving at 490 ms at an angle of 350o above the horizontal x axis two seconds later its velocity
initially unpolarized light is icident on a series of three polarizers with the first axis verticle the second axis
at some instant an alpha particleq2e has the coordinates300000nm and is moving along the positive x-axis with 500kms
a speeding car passes a highway patrol checkpoint and thendecelerates at a constant rate 5 seconds later the car is 225
instead of two blocks and one pulley lets have one box one pulley and one rolling cylinder each of them have mass m the
an insulated wire with a resistance of 195 omegam and a length of 239 m will be used to construct a resistor first the
a long solenoid with diamete 4 cm is in a vaccum and alithium nucleus 4 neutrons and 3 protons 0 is in a
a student goes to a planet x and wants to determine the gravity there the student knows from physics lab that they can
american physicist robert a millikan 1868-1953 won the 1923 nobel prize in physics in part for his work on the
you should check it out because its an amusing read but i will summarise the argument to whet your appetite assuming
during interference in thin flims colours appear due to interference between the light waves reflected from the top and
inthe figure below the pulleys and the cord are massless all surfaces are frictionless and the cord does not compress
vector ararr is in the negative y direction and vector vector brarr is in the negative x directioni what is the
you are invited to visit the western desert of iraq you decide to impress your hostsby showing them what you know about
a horizontal disk of radius 500 cm accelerates angularly fromrest with an angular acceleration of 0250 rads2 asmall