Physics, 29.01.2020 07:53 Alphonse8472
Which of these illustrates that sound waves can travel through a liquid? a. voices can be heard as people speak to one another b. whales and porpoises signal each other by making sounds c. astronauts can’t hear each other in space unless they use a radio d. footsteps can be heard through the ceiling as someone walks on the roof
Answers: 3
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, 22.06.2019 18:00
Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
Answers: 1
Physics, 22.06.2019 19:00
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
Physics, 23.06.2019 02:30
Can a molecule have bond dipoles but not have a molecular dipole?
Answers: 2
Which of these illustrates that sound waves can travel through a liquid? a. voices can be heard as p...
French, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
History, 02.10.2021 09:20
Biology, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
Mathematics, 02.10.2021 09:20
Biology, 02.10.2021 09:20