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a ship sends a snoar

a ship sends a snoar pulse of frequency 30kHz and duration 1.0 ms towards a submarine and receives a reflection of the pulse 3.2
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2. asked by sake
3. 1,550 views
A submarine sends a sonar signal, which returns from another ship 3.22 s later. How far away is the other ship?
1. 1 answer
2. asked by Alyson
3. 1,274 views
The sonar of a stationary ship sends a signal with a frequency of 5.0x103-Hz through water. If the signals speed is 1.5x103-m/s
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2. asked by Tiara
3. 2,475 views
A ship is sighted directly east of a lighthouse. Another ship, which is 20m away from the first ship, is observed at a bearing
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2. asked by nina
3. 942 views
At 3 P.M, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h. How fast is
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2. asked by Ali
3. 875 views
At noon, ship A is 100km west of ship B. Ship A is sailing south at 30km/h and ship B is sailing north at 15km/h. How fast is
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2. asked by Anon
3. 1,914 views
A ship leaves port at noon at heads due east at 20 nautical miles/hour (20 knots). At 2PM the ship changes course to N 54° W.Fr
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2. asked by Worm
3. 1,543 views
10. Bob must ship his belongings worth 1,000 to England from Latin America. The prob- ability that a ship sinks and he loses the
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2. asked by Laurie
3. 558 views
"At 9am ship A is 50 km east of ship B. Ship A is sailing north at 40km/h and ship B is sailing south at 30km/h. How fast is the
1. 3 answers
2. asked by Stuck
3. 3,174 views
"At 9am ship A is 50 km east of ship B. Ship A is sailing north at 40km/h and ship B is sailing south at 30km/h. How fast is the
1. 1 answer
2. asked by Stuck
3. 950 views