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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
in the bohr model of the hydrogen atom the electron moves in a circular orbit of radius 53 x 10-11 m with a speed of 22
oppositely charged parallel plates are separated by 526 mm a potential difference of 600 v exists between the plates a
in case a a metal bullet penetrates a wooden block in case b a rubber bullet with the same initial speed and mass
a the distance to a star is approximately 760 1018 m if this star were to burn out today in how many years would we see
a step-down transformer is used for recharging the batteries of portable devices the turns ratio n2n1 for a particular
an oil slick on water is 120nm thick and illuminated by white light incident perpendicular to its surface what color