The De-Buoglie wave length of 0.1 gm guains of sand blown by a wind at the speed of 20 m/s Ch = 6.63 x 1034S I unit). که
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- 2. A hiker shouts and hears the echo reflected from a cliff wall 3.80 s later. If the air temperature is 20°C, how far is the hiker from the cliff? (Assume no wind.) m 2 W S X H 2 113 mand 3 E D . с $ 4 R F % 5 V T G 6 MacBook Pro B Y H 9 N U 00. 8 J I M ( 0. 9 K C O - V I дв H .C O L P command ill > **** x { E option"iew Policies Current Attempt in Progress Tsunamis are fast-moving waves often generated by underwater earthquakes. In the deep ocean their amplitude is barely noticab but upon reaching shore, they can rise up to the astonishing height of a six-story building. One tsunami, generated off the Aleutian islands in Alaska, had a wavelength of 679 km and traveled a distance of 3410 km in 4.93 h. (a) What was the speed (in m/s) of the wave? For reference, the speed of a 747 jetliner is about 250 m/s. Find the wave's (b) frequency and (c) period. (a) Number Units (b) Number i Units (c) Number i Units eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer 000A geological disturbance in San Andreas fault generated a seismic wave that was detected in Phoenix, AZ, approximately 1000 km from the epicenter. If such waves travel at an average speed of 6.5 km/s, what would be the time-lag between the disturbance and the detection? How does this speed compare with that of sound waves in air at a day temperature of 23°C? 2.6 min, vseismic/ Vsound 19 O 2.6 min, vseismie/ Vsound 26 O 2.9 min, vseismie/ Vsound 29 O 3.2 min, vseismic/ Vsound 21
- 6. A crew member on the deck of a ship notices that wave crests pass the bow of his anchored boatevery 4.0 s. Another crew member measures the distance between two crests to be 8.5 m. How fastare the water waves traveling?An earthquake near the Kenai Peninsula, Alaska, creates asingle “tidal” wave (called a tsunami) that propagatessouthward across the Pacifi c Ocean. If the average oceandepth is 4 km and seawater density is 1025 kg/m3, estimatethe time of arrival of this tsunami in Hilo, Hawaii.Don't use chat gpt It Chatgpt means downvote