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question a detector is exposed to a monochromatic source of radiation for 400 ms and indicates that the power level is
question calculate the energy per photon and the number of photons emitted per second from a a 100 w yellow light bulb
question to obtain a 400x image we may choose a 40x objective lens with a 10x projector lens or a 20x objective lens
question to obtain a 400x magnification image we may choose a 40x objective lens and 10x projective lens or 20x
question two forces one of f152 n to the right and the other of f222 n what is the mass of the box if its accelerating
question a conducting spherical shell with inner radius a and outer radius b has a positive point charge q located at
question determine the force magnitude f and direction measured clockwise from the positive y-axis that will cause the
question a wire of initial length l0 and radius r0 has a measured resistance of 35 omegacapgif the wire is drawn under
question 1 a helium nucleus is accelerated from rest through a potential difference v to a kinetic energy of 32 times
question 1 the potential energy of a 35 pc charge separated by 62 cm from a 16 microc charge is a13 times 10-7 j b81
question the figure below shows three vectors of lengths a 689 b 392 and c 456 the angles are thetaa 280o and
question a skier is accelerating down a theta 338o hill at a 355ms2 as seen in the figure belowa what is the magnitude
question two capacitors c1 and c2 are connected in parallel and their equivalence capacitance are 350 microf but when
question a 41 x10-15 charge is able to pick up a piece of paper when it is initially 10 cm above the paper assume an
question an electrician finds that a 14 m length of a certain type of wire has a resistance of 023 what is the total
question imagine that the earths size shrunk by a factor of 810 so that now its radius is 786 km instead of 6370 km
question two charges are located in the x-y plane if q1 -275 nc and is located at x 000 m y 0680 m and the second
question defects in a semiconductor material introduce allowed energy states within the forbidden band gap assume that
question a parachutist whose mass is 75kg drops from a helicopter hovering 4000m above the ground and falls toward the
question a a conductor in the shape of a square loop of edge length l 0400 m carries a current i 100 a as in figure
question as shown in the figure two frictionless conducting rails 1 and 2 are attached to a200deg incline such that the
question a 829 kg boy and 315 kg girl are on the ice at rest and next to each other after pushing off each other and
question an angstrom symbol aring is a unit of length defined as 10-10 m which is on the order of the diameter of an
question consider an oxygen moleculeo2 rotating in the xy-plane about the z-axis the rotation axis pass through the
question a block of weight 98n is placed on a table what will happen when the table surface exerts an upward force of