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Q. A cube has sides of length = 0.320 . It is placed with one corner at the origin. The electric field is not uniform but is given by -4.95 2.17 .Find the electric flux through each of the six cube faces.
Q. A circular-shaped object of mass 10 kg has an inner radius of 7 cm and an outer radius of 24 cm. Three forces (acting perpendicular to the axis of rotation) of magnitudes 11 N, 25 N, and 13 N act on the object. The force of magnitude 25 N acts 28 below the horizontal. Find the magnitude of the net torque on the wheel about the axle through the center of the object.
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
Assume your car was modified so you could travel through space. At a velocity of 65 mi/hr, and driving non-stop, how long would it take for you to get to.
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
A 200, 47.0 cm-diameter turntables rotate on frictionless bearings at 70. A 24.0 block sits at the center of the turntable. A compressed spring shoots the block radically outward along the frictionless groove in the surface of turntable.
While rearranging a dorm room, a student does 276 J of work in moving a desk 1.7 m. What was the magnitude of applied horizontal force.
A Michelson interferometer uses light from glowing hydrogen at 486.1 nm. As you move one mirror, 530 bright fringes pass a fixed point in the viewer. How far did the mirror move.
Two runners start simultaneously from the same point on the circular 200 m track and run in opposite directions. One runs at a constant speed of 6.14 m/s and the other runs at a constant speed of 5.43m/s. When they first meet, for how long a time ..
A continuous line of charge lies along an x axis, extending from x = +x0 to positive infinity. The line carries charge with the uniform linear charge density λ0. What are the magnitude and direction of the electric field at the origin.
A rod supports a 2.35 kg lamp. a) What is the tension in the rod? b) Estimate the components of the force that the bracket exerts on the rod.
Falls resulting in hip fractures are a major cause of injury and even death to the elderly. Typically, hip's speed at impact is about 2. If this can be reduced to 1.30 or less, hip will usually not fracture. One way to do this is by wearing elasti..
From another measurement, you have found that velocity of the jumper's center of mass has only a y component of v2=2.5 m/s as the jumper's feet leave the floor.
A resistor with an unknown resistance is connected in parallel to a 12 ohm resistor. while both resistors are connected to an emf source of 12 V, current across the unknow resistor is measured with an ammeter to be 3.0 A. What is the resistance of..
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