Q1 a radio station broadcasts at a frequency of 600000 hz

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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.

(c) Find out the coefficient of kinetic friction between flight bag and floor.

Reference no: EM13351036

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