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a helicopter blade spins at 115 revolutions per minute its tip is 700 m from the center of rotationa calculate the
three boxes each of mass 200 kg are on a frictionless table connected by massless strings a force of tension t1 pulls
when two capacitors are connected in series the equivalent capacitor is 120uf when the same two capacitors are
julie throws a ball to her friend sarah the ball leaves julies hand a distance 15 meters above the ground with an
a parallel plate capacitor has a potential difference of 16v a plate separation of 25mm and is filled with a material
a parallel plate capacitor has an area of 040m2 and a plate separation of 002m the capacitor is charged to a potential
a playground is on the flat roof of a city school600m above the street below the vertical wall of the building is700m
a projectile is fired in such a way that its horizontal range is equal to125times its maximum height what is the angle
a 1 kg object moves at d8e relative to eartha calculate the momentum and energy of the objectb determine the lorentz
a parallel-plate capacitor is constructed with circular plates of radius 64times102 the plates are separated by 030
a charge of 250 is held fixed at the origin a second charge of 250 is released from rest at the position 125 0570 a if
one solenoid is centered inside another the outer one has a length of 510 cm and contains 6800 coils while the coaxial
a 505 micro f capacitor is initially charged to a potential of 162 v it is then connected in series with a 380 mh
a 120 v dc battery having no appreciable internal resistance a 1505 ohm resistor an 112 mh inductor and an open switch
a runner is practicing on a circular track that is 675 m in circumference from the point farthest to the west on the
an electric field e with an average magnitude of about 150 nc points downward in the atmosphere near earths surface we
a soccer ball leaves the foot of a player with an intitial velocity of 22 ms at an angle of 30 degrees above the
a 200-kg uniform plank is supported by the floor at one end and by a vertical rope at the other as shown in the figure
a commuter backs her car out of her garage with a constant acceleration of 160 ms2a how long does it take her to reach
a -238 nc charge is located at the origina what is the magnitude of electric field at the position -13 cm -13 cmb what
a 220 microf capacitor is charged to 190 microc and then connected across the ends of a 520 mh inductora find the
a roller-coaster car moves 207 ft horizontally and then rises 119 ft at an angle of 30deg above the horizontal it then
a powerful motorcycle can accelerate from rest to 258 ms 58 mih in only 290 sa what is its constant accelerationb how
a charge 82 c is placed at the center of the hollow spherical conductor with the inner radius 33 cm and outer radius 50
in a slap shot a hockey player accelerates the puck from a velocity of 500 ms to 300 ms in the same direction if this