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A wire is bent as shown in the figure below and placed in a magnetic field with a magnitude of 1.4 T in the indecated direction. Find the magnitude of the force on each segment of wire if x = 25 cm and the wire carries a current of 2.0 A to the left.
A hollow sphere of mass 15 kg and radius 8cm sits atop an inclined plane that is 10m in length and inclined at 30 degrees. What fraction of the sphere's total energy is rotational
An object is recovered from under the sea. Its weight is measured to be 32.5 lb and its volume 3.3 ft3. What is the object's weight density
a 8.2 kg mass hanging from a spring scale is slowly lowered onto a vertical spring.part a what does the spring scale
a boy of mass 50.5 kg is initially on a skateboard of mass 2.00 kg moving at a speed of 10.3 ms. the boy falls off the
A diffraction grating with 343 lines/mm is 1.00 m in front of a screen. Discuss is the wavelength of light whose first-order maxima will be 13.7 cm from the central maximum on the screen?
a box rests on a frozen pond which serves as a frictionless horizontal surface. if a fisherman applies a horizontal
A woman stands on a scale in a moving elevator. Her mass is 60.0 kg, and the combined mass of the elevator and scale is an additional 815 kg. What does the scale read during the acceleration
A charge of q = +7.22 ?C is located in an electric field. The x and y components of the electric field at this point are Ex = 6.48E+3 N/C, What is the magnitude of the force on the charge
a football is kicked at ground level with a speed of 18m/s at angle of 35 to the horizontal. How much later does it hit the ground
A 6.6cm diameter horizontal pipe gradually narrows to 5.6cm . When water flows through this pipe at a certain rate, What is the volume rate of flow
A 20-m long steel wire (cross-section 1.0 cm2, Young's modulus 2.0 ´ 1011 N/m2), is subjected to a load of 25 000 N. How much will the wire stretch under the load
A box slides across a frictionless floor with an initial speed v = 4.9 m/s. It encounters a rough region where the coefficient of friction is uk = 0.3. What is the shortest length of rough floor which will stop the box
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