A bat moving at 72 ms is chasing a flying insect the bat
A bat moving at 7.2 m/s is chasing a flying insect. The bat emits a 43 kHz chirp and receives back an echo at 43.68 kHz. At what speed is the bat gaining on its prey? Take the speed of sound in air to be 336 m/s. Answer in units of m/s.
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the length of a hollow pipe is 1037 cm the air column in the pipe is vibrating and has nine nodes1 find the frequency
question 1 suppose that the current simple annual yields on 3-month us ra and uk t-bills rb are 16 percent and 8
if 3429 ml of an edta solution is required to react with 01879 g of mgcl2 what is the molarity of
consider a category five hurricane that has a maximum wind speed of 160 mph at the eye wall 10 miles form the center of
a bat moving at 72 ms is chasing a flying insect the bat emits a 43 khz chirp and receives back an echo at 4368 khz at
an apple falls from a tree and takes 4 s to reach the ground as reported by the earth-bound observer according to the
explain why there is a direct relationship between the concentration of a solution and a solutions absorbance of
parallel-plate capacitor with area 0500m2 and plate seperation of 200mm is connected to a 900-v batterya what is the
of br2 ne hcl hbr n2 which is likely to have a the largest intermolecular dispersion forces and
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