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Calculate the magnitude and show the direction of the net magnetic force exerted on the rectangular loop shown in the picture. Explain your reasoning. (Note that the loop is immersed in the magnetic field of the infinite wire, which is not uniform)
A mass m moves along the x-axis subject to an attractive force given by 17β2mx/2 and retarding force given by 3βmv, where x is the distance from the origin and β is a constant. Find what is the max amplitude
You have two small 2.0- balls that have been given equal but opposite charges, but you don't know the magnitude of the charge. To find out, you place the balls a distance apart on a slippery horizontal surface, release them, and use a motion detec..
A 2 kilogram box slides on a rough, horizontal surface, hits a spring with a speed of 2.20 meter per second and compresses it a distance of 11 centimeter before coming to rest. Evaluate what the force constant of the spring
What is the energy density. Find out the lowest frequency that permits standing waves in both strings with a node at the junction. The standing wave pattern in each string may have a different number of loops.
an electron in an oscilloscope tube is traveling horizontally with a speed of 4.4times106 ms . it passes through a
The resistance of a bagel toaster is 14 ?. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster
An object is 40 cm from a converging lens with a focal length of 30 cm. A real image is formed on the other side of the lens, 120 cm from the object. What is the magnification
An intern pushes a 72kg patient on a 15kg gurney, producing an acceleration of 0.60 m/s^2. How much work does the intern do by pushing the patient and gurney through a distance of 2.5m? Assume the gurney moves without friction.
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach 97 dB, measured a distance of 6.0 m from the source.
a horizontal spring-mass system has low friction spring stiffness 185 nm and mass 0.3 kg. the system is released with
A parallel-plate capacitor with C = 14 micro F is charged so as to contain 1.6 J of energy. If the capacitor has a vacuum between plates that are spaced by 0.31 mm, What is the energy density
In this problem you will model helium-3 as a non-interacting Fermi gas. Although 3He liquefies at low temperatures, the liquid has an unusually low density and behaves in many ways like a gas because the forces between the atoms are so weak. Heliu..
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