Answers: 2
Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaĻv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and Ļ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and Ļ = 1.2 kg/m3.
Answers: 2
Physics, 22.06.2019 23:40
A2.50 Ć 105 w motor is used for 26.4 s to pull a boat straight toward shore. how far does the boat move toward shore if a force of 4.20 Ć 104 n is applied by the motor?
Answers: 2
Physics, 23.06.2019 01:40
The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? donāt forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
Answers: 1
List three examples of the use of ultrasound in everyday life...
Mathematics, 30.01.2020 21:54
Chemistry, 30.01.2020 21:54
Mathematics, 30.01.2020 21:54
Biology, 30.01.2020 21:54
Mathematics, 30.01.2020 21:54
Social Studies, 30.01.2020 21:54
Mathematics, 30.01.2020 21:54
Mathematics, 30.01.2020 21:54
History, 30.01.2020 21:54
English, 30.01.2020 21:54
History, 30.01.2020 21:54
History, 30.01.2020 21:54
Mathematics, 30.01.2020 21:54