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a dc motor is connected to a constant emf of 169 v the resistance of its windings is 20 at normal operating speed the
an electric dipole p with magnitude 25 pcm makes an angle of 65 deg with an electric field e of magnitude 30 x 10 -6 n
a yo-yo is made of two solid cylindrical disks each of mass 0049kg and diameter 0074m joined by a concentric thin
an organ tube is open at one end a certain harmonic produced by the tube has a frequency of 450 hz the next higher
a simple pendulum consists of a ball of mass m 45 kg hanging from a uniform string of mass m 06 g and unknown length
cylindrical surfaces rho123 cm have uniform surface charge densities of 20 -8 and 5 ncm2 respectively the material
a baseball mass 014 kg radius 37 cm is spinning with an angular velocity of 45 rads if the baseball has a linear speed
if i have a box with a movable divided and ideal gas inside and i have pleft greater than pright therefore the movable
a 77cm tall graduated cylinder is filled with 29cm of glycerin density 1260 kgm3 and 48cm of water find the pressure
an 870-kg block slides with an initial speed of 156ms up a ramp inclined at an angle of 274 degrees with the horizontal
a pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass the string has
nine electrons are injected into a one-dimensional energy well with a width of 2 nma what will be the quantum numbers
a certain substance has a dielectric constant of 28 and a dielectric strength of 180 mvm if it is used as the
a block with mass m1 94 kg is on an incline with an angle 330deg with respect to the horizontal for the first
an asteroid of mass 23times105kg traveling at a speed of 21kms relative to the earth hits the earth at the equator
the maximum charge on the capacitor in an oscillating lc circuit is q0 what is the capacitor charge in terms of q0 when
use the data of this table to find the point between jupiter and the sun at which an object can be placed so that the
an lc circuit has a 900 mh inductor the current has its maximum value of 0550 a at t 0s a short time later the
a 1300-kg car is being driven up a 40deg hill the frictional force is directed opposite to the motion of the car and
a shell is shot with an initial velocity v1 of 33 ms at an angle of 60deg with the horizontal at the top of the
a luge and its rider with a total mass of 81 kg emerge from a downhill track onto a horizontal straight track with an
a 18--long nichrome wire is connected across the terminals of a 15 battery what is the electric field inside the wire
a rod of length l and mass m pivoted at one end is held by a spring at its midpoint and a spring at its far end both
a disk has a moment of inertia of 30x10-4 kgm2 and rotates with an angular speed of 35 radsec what is the magnitude of
a hydrogen atom particle 1 is initially at rest a neutron particle 2 initially moves to the east at speed v colliding