Physics, 06.02.2020 01:48 kloeydrea08
Aphysics teacher performing an outdoor demonstration suddenly falls from rest off a high cliff and simultaneously shouts "." when she has fallen for 3.0 s, she hears the echo of her shout from the valley floor below. the speed of sound is 340 m/s. (a) how tall is the cliff? (b) if we ignore air resistance, how fast will she be moving just before she hits the ground? (her actual speed will be less than this, due to air resistance.)
Answers: 3
Physics, 22.06.2019 09:00
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Physics, 23.06.2019 06:50
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Physics, 23.06.2019 07:30
Aboat travels at 15 m/s in a direction 45° east of north. the boat then turns and travels at 18 m/s in a direction 5° north of east. what is the magnitude of the boat's resultant velocity? round your answer to the nearest whole number. /s what is the direction of the boat's resultant velocity? round your answer to the nearest whole degree. ° north of east
Answers: 1
Aphysics teacher performing an outdoor demonstration suddenly falls from rest off a high cliff and s...
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