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A model airplane with a mass of 0.747 kg is tethered with a wire so that it flies in a circle 29.6 m in radius. The airplane engine provides a net thrust of 0.803 N perpendiculars to the tethering wire.
a) Discover the angular acceleration of the airplane when it is in level flight.
b) Find the linear acceleration of the airplane tangent to its flight path.
c) Discover the torque the net thrust produces about the center of the circle.
A very powerful vacuum cleaner has a hose 2.95 cm in diameter. With no nozzle on the hose, what is the weight of the heaviest brick that the cleaner can lift
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A parallel-plate capacitor in air has a plate separation of 1.50 cmand a plate area of 25.0cm2. The plates arecharged to a potential difference of 2.50x102 V and disconnected from the source. The capacitor is then immersedin distilled water.
A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min. Find the constant angular acceleration of the centrifuge
A beam of light of a single wavelength is incident perpendicularly on a double-slit arrangement, as in the figure below. The slit widths are each 56 µm and the slit separation is 0.36 mm. How many complete bright fringes appear between the two first-..
Give a symbolic expression for the change in reading of the scale.
A spring has a spring constant of 578 N/m. When used tosuspend an object in air, the spring stretches by 0.0640 m. What buoyant force acts on the object
750kg racecar took 3s to slow from 32m/s to 15m/s. What was the impluse? what was the average force applied to the brakes
A game of tug of rope is being played. The rope is being pulled with a force of 18 N East and 20 N West. What is the net force on the rope
a bicycle is traveling north at 5.0 ms. the mass of the wheel 2.0 kg is uniformly distributed along the rim which has a
Estimate how many molecules of air are in each 1.9 L breath you take that were also in the lastbreath Einstein took (assumed to be the same volume).
theoretically derive the equation for the period of a ring pendulum. a ring pendulum is a ring with a notch set on a
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