Q1 a radio station broadcasts at a frequency of 600000 hz, Ask an Expert

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Q1. A radio station broadcasts at a frequency of 600,000 Hz. Know that radio waves have a speed of 3.00 x 10^8m/s, what is wavelength of these waves?

Q2. A flight attendant pulls her 70.0 N flight bag a distance of 257 m along a level airport floor at a constant speed. The force she exerts is 37.0 N at an angle of 52.0° above the horizontal.

(a)Find out the work she does on the flight bag.

(b) Find out the work done by the force of friction on the flight bag.

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Category:- Physics
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