Physics, 16.06.2020 06:57 tonimgreen17p6vqjq
A boat sends an ultrasound signal of frequency 30 kHz, and receives the signal after 6 s. If the speed of sound in water is 1500 m/s, then find the depth of the ocean. PLEASE HELP
Answers: 3
Another question on Physics
Physics, 21.06.2019 17:10
Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s
Answers: 1
Physics, 21.06.2019 23:20
Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons
Answers: 1
Physics, 22.06.2019 06:20
Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question
Answers: 1
Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
You know the right answer?
A boat sends an ultrasound signal of frequency 30 kHz, and receives the signal after 6 s. If the spe...
Questions
Biology, 07.12.2020 21:00
Mathematics, 07.12.2020 21:00
Mathematics, 07.12.2020 21:00
Mathematics, 07.12.2020 21:00
History, 07.12.2020 21:00
Health, 07.12.2020 21:00
Mathematics, 07.12.2020 21:00
Chemistry, 07.12.2020 21:00
Business, 07.12.2020 21:00
Law, 07.12.2020 21:00
