Physics, 11.11.2020 19:00 4804341040
Which among the various techniques of stellar distance measurement is the best one? Discuss the merits and demerits of all the techniques (stellar parallax, using absolute and apparent magnitudes, using periods of variable stars, and red shifts of very distant objects).
Answers: 2
Physics, 21.06.2019 15:30
Aflower pot weighing 3 newtons is sitting on a windowsill 30 meters from the ground is the energy of the flower pot potential or kinetic? how many joules is this
Answers: 1
Physics, 21.06.2019 23:20
From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?
Answers: 1
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Which among the various techniques of stellar distance measurement is the best one? Discuss the meri...
Computers and Technology, 02.10.2019 23:00
Chemistry, 02.10.2019 23:00
Mathematics, 02.10.2019 23:00
Mathematics, 02.10.2019 23:00
Geography, 02.10.2019 23:00
English, 02.10.2019 23:00
Mathematics, 02.10.2019 23:00
History, 02.10.2019 23:00