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Question: A wheel of radius R, mass M and moment of inertia I is mounted on a horizontal axis without friction, as in the figure below. A light rope wrapped around the wheel holds an object of mass m. Calculate the angular acceleration of the wheel, the linear acceleration of the object, and the tension in the string.
Oppositely charged parallel plates are separated by 5.35 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates?
The captain of a plane wishes to proceed due west. The cruising speed of the plane is 285 m/s relative to the air. A weather report indicates that a 35.0 m/s wind is blowing from the south to the north. In what direction, measured with respect to due..
A 50 g horizontal metal bar, 12 cm long is free to slide up and down among two tall, vertical metal rods. A 5.5x 10-2 T magnetic field is directed perpendicular to the plane of the rods. The bar is raised to near the top of the rods, and a 1.2 ohm re..
What is the speed of the electron when it strikes the target? How far does it fall under the influence of gravity during its flight?
blinking lights in a christmas tree use an rc circuit with a time constant of 5.00 seconds. if the capacitor has
A converging lens has a focal length of f = 26 cm. An object is placed 39 cm from the lens. Find out the size of an image in cm if the object has a height of 5 cm. express answer with one decimal place.
A small metal sphere of mass 6.9 g and charge 5.9 μC is firedwith an initial speed of 4.9 m/s directly toward the center of asecond metal sphere carrying charge 7.2 μC. This second sphereis held fixed.
A magnetic B field of strength 0.4 T is perpendicular to a loop with an area of 3 m2. If the area of the loop is reduced to zero in 0.7 s, what is the magnitude of the induced emf voltage
Two tiny conducting spheres are identical and carry charges of -18.8C and +68.2C. They are separated by a distance of 3.32 cm. What is the magnitude of the force that each sphere experiences
A satellite is sent to planet Zog and when it lands you measure that the oscillation frequency of the pendulum is 2.5 times larger on Zog than on earth. Other measurements indicate that the radius of Zog is 0.8xRE ( the radius of earth). What is t..
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
Originally a pattern in produced on a screen from light flashed on a two-slit mask. The center of the screen is C and is originally a spot of maximum constructive interference. Spot Z is the next spot of maximum constructive interference.
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