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a ray of red light for which n154 and a ray of violet light for which n159 travel during a piece of glass they meet
a rotating object starts from rest at t 0 s and has s constant angular acceleration at a time t 70 s the object has
a cube of solid aluminium has a volume of 100 m3 at 20degc what temperature change is needed to produce a 100 cm3
on a frictionless surface a block of mass m1 and velocity v1 vi is moving to the right when it collides with a spring
a researcher is trying to shoot a tranquilizer dart at a 22-m -tall rhino that is 130m away its angular size as seen
a homemade capacitor is assembled with placing two 9 in pie pans 8 cm apart and connecting them to the opposite
the objective lens of the refracting telescope at the lick observatory in california has a focal length of 57 ft1 what
explain how leading-edge and trailing-edge forster resonance energy transfer fret experiments can be used to probe
a wheel of radius 02 m initially rotating at 60 rpm accelerates at a rate of 02 rads2 for 10 seconds1 what is the final
a car is driven around a circular track which would have a greater effect on the magnitude of its acceleration reducing
a mass-spring system oscillates with amplitude of 530 cm if the spring constant is 225 nm and the mass is 506 g1 decide
work done on a rolling cylindera solid cylinder utilized for smoothing concrete is rolling without slipping along a
a parallel-plate capacitor is constructed of two horizontal 152-cm-diameter circular plates a 15g plastic bead with a
the load across a 500-v battery consists of a series combination of two lamps with resistances of 125 and 2251 discover
a small rubber wheel on the shaft of a bicycle generator presses against the bike tire and turns the coil of the
a capacitor is discharged during a 900 resistor the discharge current decreases to 220 percent of its initial value in
two wires shown below carry currents of 1 amp out of the page and 9 amps into the page the two wires are separated by 4
a 24-v battery is connected in series with a resistor and an inductor with r 20 and l 44 h respectively1 discover the
a simple harmonic transverse wave is traveling along a stretched wire which has a linear mass density of 1100 gm the
draw a circuit with a 9 v battery and two resistances of 5 and 12 connected in parallel place an ammeter in the circuit
a particle executes simple harmonic motion with amplitude of 9 centimeter find at what positions does its speed equal
obtain the magnitude and direction of the electric field at a point midway between a -70 acircmicroc and a 40
blocks a mass 650 kilogram and b mass 12 kilogram move on a frictionless horizontal surface initially block b is at
a straight cylindrical wire lying along the x-axis has a length of 0500 meter and a diameter of 020 millimeter it is
a ladder is leaning against a vertical wall the coefficient of friction between the ladder and the horizontal surface