0 Pm End Date 8 7 2022 11 59 00 Pm 8 Problem 9 One Day When The Speed Of Sound In Air Is 343 M S A Fire Truck Trav 1 (36.78 KiB) Viewed 50 times
0 Pm End Date 8 7 2022 11 59 00 Pm 8 Problem 9 One Day When The Speed Of Sound In Air Is 343 M S A Fire Truck Trav 2 (21.79 KiB) Viewed 50 times
0 PM End Date: 8/7/2022 11:59:00 PM (8%) Problem 9: One day when the speed of sound in air is 343 m/s, a fire truck traveling at v, = 28 m/s has a siren which produces a frequency of f = 421 Hz. Randomized Variables vs = 28 m/s f=421 Hz 50% Part (a) What frequency (in Hertz) does the driver of the truck hear? fa=4071 cos() (78 asin() tan() E 1A 45 acos() sinh() tanh( cotanh() Degrees O Radians acotan() sin() cotan() atan() cosh() Submit Hint 9 6 1 2 3 + . 0 VO BACKSPACE DAL HOME W - END CLEAR I give up! Feedback: 0% deduction per feedback. Hints: 0% deduction per hint. Hints remaining: 1 50% Part (b) What frequency (in Hertz) does an observer hear when the truck is moving away? Vendback is available Grade Summary Deductions Potential 5% 95% Submissions Attempts remaining (5% per attempt) detailed view 1
$ 50% Part (b) What frequency (in Hertz) does an observer hear when the truck is moving away? fo= 447.41 sin() cotan() atan() cosh() cos() asin() tan() acos() E sinh() cotanh() acotan() tanh() Degrees O Radians Submit x C ) 7 8 5 123 +- 0 IND VO BACKSPACE DEL CLEAR 4 965 HOME . - Feedback I give up! Feedback: 0% deduction per feedback. Grade S Deductie Potential Submiss Attempts (5% per detailed
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