Which of these is an example of a mechanical wave?
ocean waves
microwaves u...
Answers: 3
Physics, 22.06.2019 02:10
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
Physics, 22.06.2019 20:40
Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop
Answers: 1
Biology, 22.11.2020 09:10
Mathematics, 22.11.2020 09:10
Chemistry, 22.11.2020 09:10
History, 22.11.2020 09:10
Mathematics, 22.11.2020 09:10
History, 22.11.2020 09:10
Biology, 22.11.2020 09:10
Mathematics, 22.11.2020 09:10
Mathematics, 22.11.2020 09:10
History, 22.11.2020 09:10
Mathematics, 22.11.2020 09:10
English, 22.11.2020 09:10