4 Problem 13 A Bat Flying Toward A Wall Emits A 38000 Hz Sonar Pulse The Pulse Is Reflected Back From The Wall And 1 (24.88 KiB) Viewed 70 times
4 Problem 13 A Bat Flying Toward A Wall Emits A 38000 Hz Sonar Pulse The Pulse Is Reflected Back From The Wall And 2 (27.23 KiB) Viewed 70 times
(4%) Problem 13: A bat flying toward a wall emits a 38000-Hz sonar pulse. The pulse is reflected back from the wall and the bat hears the reflected pulse at a frequency of (38000 +670) Hz. Take the speed of sound to be 343 m/s. D&Find the speed of the bat, in meters per second. bat sin() cos() cotan() asin() tan() A acos() E atan() acotan() sinh() cosh() tanh)) cotanh() Degrees O Radians Hints: 0% deduction per hint. Hints remaining: 2 Submit Hint ( 7 8 9 4 5 6 1 2 3 24 + 0 4 DID NO BACKB|| 959 I give up! Feedback: 0% deduction per feedback. Grade Summary Deductions Potential 05 100% Submissions Attempts remaining: 5 (5 per attempt detailed view
(4%) Problem 14: A bat, flying at 5.8 m/s. pursues an insect that is flying at 1.7 m/s in the same direction. The bat emits a 47000-Hz sonar pulse. Take the speed of sound to be 343 m/s.. & At what frequency, in hertz, does the bat hear the pulse reflected back from the insect? tan() A ( acos() E sinh() tanh() cotanh() Degrees O Radians cos() asin() atan() acotan() cosh() sin() cotan() Hints: 0% deduction per hint. Hints remaining 2 Submit Hint 7 8 4 5 1 + - VOC Fredback 0 9 6 2 3 I give up! Feedback: 0% deduction per feedback. f AL All 2222 Laten TA, LLC Grade Summary Deductions Potential 05 100% Submissions Attempts remaining: (5% per attempt) detailed view
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