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question a soap bubble is essentially a thin film of water surrounded by air the colors you see in soap bubbles are
question a small object a electrically charged creates an electric field at a point p located 0250m directly north of a
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question a simple pendulum oscillates with frequency fa what is its frequency if the entire pendulum accelerates at 34g
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question a satellite orbiting the moon very near the surface has a period of 110 min what is free-fall acceleration on
question in a science museum a 110kg brass pendulum bob swings at the end of a 15-meter-long wire the pendulum is
question a semicircle of radius a is in the first and second quadrants with the center of curvature at the origin
question why does a satellite in a circular orbit travel at a constant speeda there is no component of force acting
question a rock climber stands on top of a 60 m high cliff hanger a pool of water he throws two stones vertically
question a ring of radius r has total charge qa at what distance along the z-axis is the electric field strength a
question in short-track speed skating the track has straight sections and semicircles 16 m in diameter assume that a
question a rocket starts from rest and moves upward from the surface of the earth for the first 10s of its motion the
question seat belts and air bags save lives by reducing the forces exerted on the driver and passengers in an
question your roommate is working on his bicycle and has the bike upside down he spins the 62cm -diameter wheel and you
question a roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed what is the ratio
question as shown in the figure there are 3 point charges along the x-axis located at 38 and 11 cm what is the
question a sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 00060 ms2 less than
question a rock is dropped from a sea cliff and the sound of it striking the ocean is heard 33 s later if the speed of
question a rock is suspended by a massless string when the rock is invacuum the tension in the string is 392 n when the
question a rocket is launched straight up with constant acceleration four seconds after liftoff a bolt falls off the
question a rifle with a barrel length of 59cm fires a 8g bullet with a horizontal speed of 430ms the bullet strikes