If the frequency of a radio station is 88.1 MHz (8.81 × 107 Hz), what is the wavelength of the wave used by this radio station for its broadcast? The answer should have three significant figures

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above