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a girl of mass 299 kg stands on the rim of a frictionless merry-go-round of radius 178 m and rotational inertia 219
a current of 245 a flows along the length of a long solid cylindrical conductor the radius of the cylinder is 85 cm the
a particle with charge q is at rest when a magnetic field is suddenly turned on the field points in the z-direction
an ac generator supplies 185 v peak voltage at 110 hz frequency how much power is dissipated in a resistor with r 295
a solid cylinder carries a current that is uniform over its cross section where is the magnitude of the magnetic field
how does the force provided by elastic tubing vary as it is stretched would it be possible to use elastic tubing to
a small electric car overcomes a 244n friction force when traveling 296kmhr the electric motor is powered by ten 120v
an l-r-c circuit has l 0400 h c 265times105 f and a resistance rangular frequency is 307 radsec when r 0what value
a capacitor is connected across an ac source that has voltage amplitude 610 a and frequency 815 hza what is the phase
suppose that the dipole moment associated with an iron atom of an iron bar is 24 x 10-23 jt assume that all the atoms
a parallel-plate capacitor with circular plates of radius 80 mm is being discharged by a current of 70 a at what radius
a flat piece of glass covers the top of a vertical cylinder that is completely filled with water if a ray of light
light traveling in air is incident on the surface of a block of plastic at an angle of 610degree to the normal and is
a concave mirror has a radius of curvature of 320cmwhat is its focal lengthf1 cmif the mirror is immersed in water
assume you have a monatomic gas with initial volume and pressure v1 and p1 respectively if you apply work on the gas to
particle x has a speed of 0960 c and a momentum of 170times10-18 kgmsa what is the mass of the particleb what is the
a how much energy is required to accelerate a spaceship with a rest mass of 112 metric tons to a speed of 0445 cnbspb
1 what velocity must be transferred to the spacecraft to crash it into the sun assume it is initially in a solar
an earth satellite has a speed of 29500 kmhr when it is at its perigee 230 km above earths surface find the apogee
a electrons accelerated by a potential difference of 1322 v pass through a gas of hydrogen atoms at room temperature
the index of refraction for a certain kind of glass is 1645 for violet light and 1615 for red light a ray of violet
two converging lenses having focal lengths of f1 111 cm and f2 200 cm are placed d 500 cm apart the final image is
two capacitors are connected in series let 330uf be the capacitance of first capacitor 520uf the capacitance of the
a light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 356deg
a ray of light strikes a flat 200-cm-thick block of glass n 154 at an angle of 292deg with respect to the normal see