A harmonic wave in a wire has amplitude 4.67 mm, wavelength 1.93 m, and frequency 768 Hz. A. What is the propagation speed of the wave?Answer in units of m/sB. The wire has linear mass density of 20 g/m. Determine the wire’s tension?

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?

Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane

Difference between natural and artifical magnet