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a floodlight with a mass of 23 kg is used to illuminate the parking lot in front of a library the floodlight is
a key falls from a bridge that is 46 m above the water it falls directly into a model boat moving with constant
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a point source of light is 700 cm below the surface of a body of water find the diameter of the circle at the surface
a ball is dropped from rest at the top of a 610 m tall building falls straight downward collides inelastically with the
a 0010kg bullet is fired straight up at a falling wooden block that has a mass of 20kg the bullet has a speed of
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a motorcycle daredevil is attempting to jump across as many busesas possible see the drawing the takeoff ramp makes an
a defibrillator is used during a heart attack to restore the heartto its normal beating pattern see section 195 a
in a series circuit a generator 1300 hz 100 v is connectedto a 130- resistor a 400-muf capacitor and a490-mh inductor
a light bulb is connected to a 240 vwall socket the current in the bulb depends on the time taccording to the relation
a 940-muf capacitor is connected to a generator operating at a low frequency the rms voltage of the generator is 410 v
when a problem ask how to identific proper significant figures what does it mean my problem says what is the result of
three point charges have equal magnitudes two being positive andone negative these charges are fixed to the corners of
a charge of 5q is fixed on a plane at the origin00 of an xy-coordinate system and a charge9q is fixed at 5 cm-5 cm
a 260 km long-high voltage transmission line 20 cm in diamter carries a steady current of 910anbsp if the conductor is
a 1530-kg car is traveling with a speed of150 ms what is the magnitude of the horizontal net force that isrequired to
a ball is thrown upward from the edge of a building that is 100 m tall the time between the throw and the ball hitting
a stone is thrown vertically upward with a speed of 200msa how fast is it moving when it reaches aheight of 100mb how
two boats are heading away from shore boat 1 heads due north at aspeed of 32 ms relative to theshore relative to boat 1
a ball is thrown upward from the edge of a building that is 100mtall on its way back down the ball just misses the
a cylindrical capacitor has outer and inner conductors whose radii are in the ratio of 5 to1 the inner conductoris to
two crates of mass 77 kg and 108 kg arein contact and at rest on a horizontal surface fig 4-47 a 729 nforce is exerted
1 a rectangular container measuring 28cm x 53cm x 66cm is filledwith water what is the mass of this volume of water in
a what does increasing the coefficient of friction do select all that applyit increases the time required tostopit