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Problem: A wire having mass per unit length of 0.420 g/cm carries a 2.40 A current horizontally to the south.
Part A- What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?
If possible just a brief explanation how you got the solution?
A sonar device makes a soundwave in the air with a frequency of f1 = 61 Hz. What is the frequency of the sound wave created
an electron with speed v0 15.0 times 106 ms is traveling parallel to a uniform electric field of magnitude e 10.4
a thin lens has radii of curvature r1-8.00 cm and r2-6.00 cm indices of refraction nred1.50 and nviolet1.53 for red and
How strong is the electric field between the plates of a 0.70 microF air-gap capacitor if they are 3.0mm apart and each has a charge of 77 microcoloumbs
after a star like the sun stops producing energy via fusion it collapses into a degenerate object called a white dwarf
A car is traveling at 47.0 km/h on a flat highway. what is the minimum distance in which the car will stop
Consider a 619-N weight is being held by two cables. The left hand cable has a tension of T2 and makes an angle of ?2 with the ceiling. What is the tension of the left hand cable
A uniform magneticfield of magnitude 1.52 T acts in the positive z direction. Find the magnitude of the force exerted by the field on a proton if the proton’s velocity is (2.3 Mm/s) ˆi.
At this time it has reached a height of 420 metres above launch pad and attained an upward velocity of 50 ms-1. From this time on, the rocket has constant upward acceleration -10 ms-2 (due to the effect of gravity alone).
A high-energy pulsed laser emits a 1.5-ns-long pulse of average power 2.6×1011 W. The beam is 2.3×10?3 m in radius. Determine the rms value of the electric field
how is the e field of a em wave changed by vertical polarisation in terms of the general equation for electric field ie
Two 4.2 cm X 4.2cm metal plates are separated by a 0.19mm thick piece of Teflon. What is the capacitance? What is the maximum potential difference between the disks?
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