Radio waves of very long wavelength can penetrate farther
Radio waves of very long wavelength can penetrate farther intoseawater than those of shorter wavelength. The U.S. Navecommunicates with submerged submarines using 76 Hz radiowaves. What is their wavelength in air?
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a car of mass 1500 kg rounds a circular turn of radius 27meter if the road is banked at 15 degree and the coefficient
1assume that you are going to buy a car work 25000 you will be able to make a down payment of 3000 the remaining 22000
a 40-n stone is dropped from a height of 10m and strikes theground with a velocity of 7 ms what average force of air
you are designing a reactor that uses chlorine in a pfr of cmfr to destroy pathogens in water a minimum contact time of
radio waves of very long wavelength can penetrate farther intoseawater than those of shorter wavelength the us
1in a study it was found that 39 of the bacteria died within 9 hoursand 67 died within 20 hours if the rate of andwer
prepare a preliminary design of a system to collect dust from a plant under the following conditionssample of dust 50
legolas shoots an arrow of mass 20 g horizontally into a baleof hay striking the hay with a velocityof 60 ms it
a waste mixture contains a variety of volatile organic compounds nonvolatile organics metals and sandy soil in a
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